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<p style="margin-bottom: 0.1px; max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-family: 'Hiragino Sans GB', 'Microsoft YaHei', Arial, sans-serif; font-size: 16px; white-space: normal; text-align: justify; line-height: 1.75em; box-sizing: border-box !important; word-wrap: break-word !important; background: white;"><span style="max-width: 100%; color: rgb(68, 68, 68); box-sizing: border-box !important; word-wrap: break-word !important;"></span></p><p><img data-type="gif" src="http://mmbiz.qpic.cn/mmbiz_gif/dx3KibwtDhvezhWjA9OE2EwumicC4kMAsKk2Pz01VsicM98wnG2rBnzvRXWGQfIaBFWuvAEFj8pu4K9TnhxowfPGw/0?wx_fmt=gif" data-ratio="0.1703125" data-w="640" /></p><p style="margin-bottom: 0.1px; max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-family: 'Hiragino Sans GB', 'Microsoft YaHei', Arial, sans-serif; font-size: 16px; white-space: normal; text-align: justify; line-height: 1.75em; box-sizing: border-box !important; word-wrap: break-word !important; background: white;"><span style="max-width: 100%; color: rgb(68, 68, 68); box-sizing: border-box !important; word-wrap: break-word !important;"></span><br /></p><p style="margin-bottom: 0.1px; max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-family: 'Hiragino Sans GB', 'Microsoft YaHei', Arial, sans-serif; font-size: 16px; white-space: normal; text-align: justify; line-height: 1.75em; box-sizing: border-box !important; word-wrap: break-word !important; background: white;"><span style="max-width: 100%; color: rgb(68, 68, 68); box-sizing: border-box !important; word-wrap: break-word !important;">1</span><span style="max-width: 100%; color: rgb(68, 68, 68); box-sizing: border-box !important; word-wrap: break-word !important;">、B模式</span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-family: 'Hiragino Sans GB', 'Microsoft YaHei', Arial, sans-serif; font-size: 16px; white-space: normal; text-align: justify; line-height: 1.75em; box-sizing: border-box !important; word-wrap: break-word !important; background: white;"><span style="max-width: 100%; color: rgb(68, 68, 68); box-sizing: border-box !important; word-wrap: break-word !important;"> 是用亮度 (Brightness)调制方式来显示回波强弱的方式，也称作"断层图像”，即二维灰阶图像。</span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-family: 'Hiragino Sans GB', 'Microsoft YaHei', Arial, sans-serif; font-size: 16px; white-space: normal; text-align: justify; line-height: 1.75em; box-sizing: border-box !important; word-wrap: break-word !important; background: white;"><span style="max-width: 100%; color: rgb(68, 68, 68); box-sizing: border-box !important; word-wrap: break-word !important;">2</span><span style="max-width: 100%; color: rgb(68, 68, 68); box-sizing: border-box !important; word-wrap: break-word !important;">、M模式</span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-family: 'Hiragino Sans GB', 'Microsoft YaHei', Arial, sans-serif; font-size: 16px; white-space: normal; text-align: justify; line-height: 1.75em; box-sizing: border-box !important; word-wrap: break-word !important; background: white;"><span style="max-width: 100%; color: rgb(68, 68, 68); box-sizing: border-box !important; word-wrap: break-word !important;"> 是记录在某一固定的采样线上，组织器官随时间变化而发生纵向运动的方法。</span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-family: 'Hiragino Sans GB', 'Microsoft YaHei', Arial, sans-serif; font-size: 16px; white-space: normal; text-align: justify; line-height: 1.75em; box-sizing: border-box !important; word-wrap: break-word !important; background: white;"><span style="max-width: 100%; color: rgb(68, 68, 68); box-sizing: border-box !important; word-wrap: break-word !important;">3</span><span style="max-width: 100%; color: rgb(68, 68, 68); box-sizing: border-box !important; word-wrap: break-word !important;">、B/M模式</span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-family: 'Hiragino Sans GB', 'Microsoft YaHei', Arial, sans-serif; font-size: 16px; white-space: normal; text-align: justify; line-height: 1.75em; box-sizing: border-box !important; word-wrap: break-word !important; background: white;"><span style="max-width: 100%; color: rgb(68, 68, 68); box-sizing: border-box !important; word-wrap: break-word !important;"> 是显示器上同时显示一幅断层图像和一幅M模式图像的操作模式。</span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-family: 'Hiragino Sans GB', 'Microsoft YaHei', Arial, sans-serif; font-size: 16px; white-space: normal; text-align: justify; line-height: 1.75em; box-sizing: border-box !important; word-wrap: break-word !important; background: white;"><span style="max-width: 100%; color: rgb(68, 68, 68); box-sizing: border-box !important; word-wrap: break-word !important;">4</span><span style="max-width: 100%; color: rgb(68, 68, 68); box-sizing: border-box !important; word-wrap: break-word !important;">、体位标志</span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-family: 'Hiragino Sans GB', 'Microsoft YaHei', Arial, sans-serif; font-size: 16px; white-space: normal; text-align: justify; line-height: 1.75em; box-sizing: border-box !important; word-wrap: break-word !important; background: white;"><span style="max-width: 100%; color: rgb(68, 68, 68); box-sizing: border-box !important; word-wrap: break-word !important;"> 是为标志当前超声所探测的身体部位而设的身体部位的图形标志。</span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-family: 'Hiragino Sans GB', 'Microsoft YaHei', Arial, sans-serif; font-size: 16px; white-space: normal; text-align: justify; line-height: 1.75em; box-sizing: border-box !important; word-wrap: break-word !important; background: white;"><span style="max-width: 100%; color: rgb(68, 68, 68); box-sizing: border-box !important; word-wrap: break-word !important;">5</span><span style="max-width: 100%; color: rgb(68, 68, 68); box-sizing: border-box !important; word-wrap: break-word !important;">、字符</span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-family: 'Hiragino Sans GB', 'Microsoft YaHei', Arial, sans-serif; font-size: 16px; white-space: normal; text-align: justify; line-height: 1.75em; box-sizing: border-box !important; word-wrap: break-word !important; background: white;"><span style="max-width: 100%; color: rgb(68, 68, 68); box-sizing: border-box !important; word-wrap: break-word !important;"> 一组数字和字母及其它符号，用来对超声图像加入注释。</span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-family: 'Hiragino Sans GB', 'Microsoft YaHei', Arial, sans-serif; font-size: 16px; white-space: normal; text-align: justify; line-height: 1.75em; box-sizing: border-box !important; word-wrap: break-word !important; background: white;"><span style="max-width: 100%; color: rgb(68, 68, 68); box-sizing: border-box !important; word-wrap: break-word !important;">6</span><span style="max-width: 100%; color: rgb(68, 68, 68); box-sizing: border-box !important; word-wrap: break-word !important;">、探头</span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-family: 'Hiragino Sans GB', 'Microsoft YaHei', Arial, sans-serif; font-size: 16px; white-space: normal; text-align: justify; line-height: 1.75em; box-sizing: border-box !important; word-wrap: break-word !important; background: white;"><span style="max-width: 100%; color: rgb(68, 68, 68); box-sizing: border-box !important; word-wrap: break-word !important;"> 是电声换能片，在超声扫描时，它将电发射脉冲信号转换成超声脉冲信号，也将超声回波信号转换成电信号。</span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-family: 'Hiragino Sans GB', 'Microsoft YaHei', Arial, sans-serif; font-size: 16px; white-space: normal; text-align: justify; line-height: 1.75em; box-sizing: border-box !important; word-wrap: break-word !important; background: white;"><span style="max-width: 100%; color: rgb(68, 68, 68); box-sizing: border-box !important; word-wrap: break-word !important;">7</span><span style="max-width: 100%; color: rgb(68, 68, 68); box-sizing: border-box !important; word-wrap: break-word !important;">、DSC</span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-family: 'Hiragino Sans GB', 'Microsoft YaHei', Arial, sans-serif; font-size: 16px; white-space: normal; text-align: justify; line-height: 1.75em; box-sizing: border-box !important; word-wrap: break-word !important; background: white;"><span style="max-width: 100%; color: rgb(68, 68, 68); box-sizing: border-box !important; word-wrap: break-word !important;"> 是"数字扫描转换器"的缩写，是一个数字集成存贮器，它能存贮超声信号并把它们转化为TV扫描信号。</span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-family: 'Hiragino Sans GB', 'Microsoft YaHei', Arial, sans-serif; font-size: 16px; white-space: normal; text-align: justify; line-height: 1.75em; box-sizing: border-box !important; word-wrap: break-word !important; background: white;"><span style="max-width: 100%; color: rgb(68, 68, 68); box-sizing: border-box !important; word-wrap: break-word !important;">8</span><span style="max-width: 100%; color: rgb(68, 68, 68); box-sizing: border-box !important; word-wrap: break-word !important;">、动态范围</span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-family: 'Hiragino Sans GB', 'Microsoft YaHei', Arial, sans-serif; font-size: 16px; white-space: normal; text-align: justify; line-height: 1.75em; box-sizing: border-box !important; word-wrap: break-word !important; background: white;"><span style="max-width: 100%; color: rgb(68, 68, 68); box-sizing: border-box !important; word-wrap: break-word !important;"> 是指回波信号不被噪声淹没，并且不饱和，能放大显示的输入(电压等等)范围。</span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-family: 'Hiragino Sans GB', 'Microsoft YaHei', Arial, sans-serif; font-size: 16px; white-space: normal; text-align: justify; line-height: 1.75em; box-sizing: border-box !important; word-wrap: break-word !important; background: white;"><span style="max-width: 100%; color: rgb(68, 68, 68); box-sizing: border-box !important; word-wrap: break-word !important;">9.</span><span style="max-width: 100%; color: rgb(68, 68, 68); box-sizing: border-box !important; word-wrap: break-word !important;">电子聚焦</span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-family: 'Hiragino Sans GB', 'Microsoft YaHei', Arial, sans-serif; font-size: 16px; white-space: normal; text-align: justify; line-height: 1.75em; box-sizing: border-box !important; word-wrap: break-word !important; background: white;"><span style="max-width: 100%; color: rgb(68, 68, 68); box-sizing: border-box !important; word-wrap: break-word !important;"> 适当安排换能器阵各阵元的激励信号，实现声束聚焦的技术。</span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-family: 'Hiragino Sans GB', 'Microsoft YaHei', Arial, sans-serif; font-size: 16px; white-space: normal; text-align: justify; line-height: 1.75em; box-sizing: border-box !important; word-wrap: break-word !important; background: white;"><span style="max-width: 100%; color: rgb(68, 68, 68); box-sizing: border-box !important; word-wrap: break-word !important;">10.</span><span style="max-width: 100%; color: rgb(68, 68, 68); box-sizing: border-box !important; word-wrap: break-word !important;">多段聚焦</span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-family: 'Hiragino Sans GB', 'Microsoft YaHei', Arial, sans-serif; font-size: 16px; white-space: normal; text-align: justify; line-height: 1.75em; box-sizing: border-box !important; word-wrap: break-word !important; background: white;"><span style="max-width: 100%; color: rgb(68, 68, 68); box-sizing: border-box !important; word-wrap: break-word !important;"> 在不同探测深度进行电子聚焦，聚焦数的增加可使图像更加清晰。</span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-family: 'Hiragino Sans GB', 'Microsoft YaHei', Arial, sans-serif; font-size: 16px; white-space: normal; text-align: justify; line-height: 1.75em; box-sizing: border-box !important; word-wrap: break-word !important; background: white;"><span style="max-width: 100%; color: rgb(68, 68, 68); box-sizing: border-box !important; word-wrap: break-word !important;">11.</span><span style="max-width: 100%; color: rgb(68, 68, 68); box-sizing: border-box !important; word-wrap: break-word !important;">增强</span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-family: 'Hiragino Sans GB', 'Microsoft YaHei', Arial, sans-serif; font-size: 16px; white-space: normal; text-align: justify; line-height: 1.75em; box-sizing: border-box !important; word-wrap: break-word !important; background: white;"><span style="max-width: 100%; color: rgb(68, 68, 68); box-sizing: border-box !important; word-wrap: break-word !important;"> 是一种增强图像边缘以使图像组织边界更清晰的功能。</span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-family: 'Hiragino Sans GB', 'Microsoft YaHei', Arial, sans-serif; font-size: 16px; white-space: normal; text-align: justify; line-height: 1.75em; box-sizing: border-box !important; word-wrap: break-word !important; background: white;"><span style="max-width: 100%; color: rgb(68, 68, 68); box-sizing: border-box !important; word-wrap: break-word !important;">12.Far Gain(</span><span style="max-width: 100%; color: rgb(68, 68, 68); box-sizing: border-box !important; word-wrap: break-word !important;">远场增益)</span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-family: 'Hiragino Sans GB', 'Microsoft YaHei', Arial, sans-serif; font-size: 16px; white-space: normal; text-align: justify; line-height: 1.75em; box-sizing: border-box !important; word-wrap: break-word !important; background: white;"><span style="max-width: 100%; color: rgb(68, 68, 68); box-sizing: border-box !important; word-wrap: break-word !important;"> 是补偿超声波随探测点深度增加而衰减用的增益。</span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-family: 'Hiragino Sans GB', 'Microsoft YaHei', Arial, sans-serif; font-size: 16px; white-space: normal; text-align: justify; line-height: 1.75em; box-sizing: border-box !important; word-wrap: break-word !important; background: white;"><span style="max-width: 100%; color: rgb(68, 68, 68); box-sizing: border-box !important; word-wrap: break-word !important;">13.Near Gain(</span><span style="max-width: 100%; color: rgb(68, 68, 68); box-sizing: border-box !important; word-wrap: break-word !important;">近场增益)</span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-family: 'Hiragino Sans GB', 'Microsoft YaHei', Arial, sans-serif; font-size: 16px; white-space: normal; text-align: justify; line-height: 1.75em; box-sizing: border-box !important; word-wrap: break-word !important; background: white;"><span style="max-width: 100%; color: rgb(68, 68, 68); box-sizing: border-box !important; word-wrap: break-word !important;"> 是一种控制在距换能片不超过3cm的区域内的回波强度的功能。</span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-family: 'Hiragino Sans GB', 'Microsoft YaHei', Arial, sans-serif; font-size: 16px; white-space: normal; text-align: justify; line-height: 1.75em; box-sizing: border-box !important; word-wrap: break-word !important; background: white;"><span style="max-width: 100%; color: rgb(68, 68, 68); box-sizing: border-box !important; word-wrap: break-word !important;">14.</span><span style="max-width: 100%; color: rgb(68, 68, 68); box-sizing: border-box !important; word-wrap: break-word !important;">帧相关</span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-family: 'Hiragino Sans GB', 'Microsoft YaHei', Arial, sans-serif; font-size: 16px; white-space: normal; text-align: justify; line-height: 1.75em; box-sizing: border-box !important; word-wrap: break-word !important; background: white;"><span style="max-width: 100%; color: rgb(68, 68, 68); box-sizing: border-box !important; word-wrap: break-word !important;"> 是一种滤除噪声，对图像进行平滑的功能。</span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-family: 'Hiragino Sans GB', 'Microsoft YaHei', Arial, sans-serif; font-size: 16px; white-space: normal; text-align: justify; line-height: 1.75em; box-sizing: border-box !important; word-wrap: break-word !important; background: white;"><span style="max-width: 100%; color: rgb(68, 68, 68); box-sizing: border-box !important; word-wrap: break-word !important;">15.</span><span style="max-width: 100%; color: rgb(68, 68, 68); box-sizing: border-box !important; word-wrap: break-word !important;">扫描速度</span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-family: 'Hiragino Sans GB', 'Microsoft YaHei', Arial, sans-serif; font-size: 16px; white-space: normal; text-align: justify; line-height: 1.75em; box-sizing: border-box !important; word-wrap: break-word !important; background: white;"><span style="max-width: 100%; color: rgb(68, 68, 68); box-sizing: border-box !important; word-wrap: break-word !important;"> 指M模式图像每秒内的水平移动的距离，在这里指的是一幅图像从左边扫至右边所需的时间。</span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-family: 'Hiragino Sans GB', 'Microsoft YaHei', Arial, sans-serif; font-size: 16px; white-space: normal; text-align: justify; line-height: 1.75em; box-sizing: border-box !important; word-wrap: break-word !important; background: white;"><span style="max-width: 100%; color: rgb(68, 68, 68); box-sizing: border-box !important; word-wrap: break-word !important;">16.ZOOM(</span><span style="max-width: 100%; color: rgb(68, 68, 68); box-sizing: border-box !important; word-wrap: break-word !important;">倍率)</span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-family: 'Hiragino Sans GB', 'Microsoft YaHei', Arial, sans-serif; font-size: 16px; white-space: normal; text-align: justify; line-height: 1.75em; box-sizing: border-box !important; word-wrap: break-word !important; background: white;"><span style="max-width: 100%; color: rgb(68, 68, 68); box-sizing: border-box !important; word-wrap: break-word !important;"> 是一种放大图像的功能。</span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-family: 'Hiragino Sans GB', 'Microsoft YaHei', Arial, sans-serif; font-size: 16px; white-space: normal; text-align: justify; line-height: 1.75em; box-sizing: border-box !important; word-wrap: break-word !important; background: white;"><span style="max-width: 100%; color: rgb(68, 68, 68); box-sizing: border-box !important; word-wrap: break-word !important;">17.</span><span style="max-width: 100%; color: rgb(68, 68, 68); box-sizing: border-box !important; word-wrap: break-word !important;">冻结</span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-family: 'Hiragino Sans GB', 'Microsoft YaHei', Arial, sans-serif; font-size: 16px; white-space: normal; text-align: justify; line-height: 1.75em; box-sizing: border-box !important; word-wrap: break-word !important; background: white;"><span style="max-width: 100%; color: rgb(68, 68, 68); box-sizing: border-box !important; word-wrap: break-word !important;"> 是使实时显示的超声图像静止不动的功能。</span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-family: 'Hiragino Sans GB', 'Microsoft YaHei', Arial, sans-serif; font-size: 16px; white-space: normal; text-align: justify; line-height: 1.75em; box-sizing: border-box !important; word-wrap: break-word !important; background: white;"><span style="max-width: 100%; color: rgb(68, 68, 68); box-sizing: border-box !important; word-wrap: break-word !important;">18.</span><span style="max-width: 100%; color: rgb(68, 68, 68); box-sizing: border-box !important; word-wrap: break-word !important;">全数字化超声诊断仪</span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-family: 'Hiragino Sans GB', 'Microsoft YaHei', Arial, sans-serif; font-size: 16px; white-space: normal; text-align: justify; line-height: 1.75em; box-sizing: border-box !important; word-wrap: break-word !important; background: white;"><span style="max-width: 100%; color: rgb(68, 68, 68); box-sizing: border-box !important; word-wrap: break-word !important;"> 采用数字声束形成技术，在接收模拟人体信号的过程中，探头将信号进行数字化编码，使信号完全数字化，进一步提高图像的质量。通常理解，凡具有 4个聚焦点的超声诊断仪则应是数字化超声。</span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-family: 'Hiragino Sans GB', 'Microsoft YaHei', Arial, sans-serif; font-size: 16px; white-space: normal; text-align: justify; line-height: 1.75em; box-sizing: border-box !important; word-wrap: break-word !important; background: white;"><span style="max-width: 100%; color: rgb(68, 68, 68); box-sizing: border-box !important; word-wrap: break-word !important;">19.</span><span style="max-width: 100%; color: rgb(68, 68, 68); box-sizing: border-box !important; word-wrap: break-word !important;">通道</span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-family: 'Hiragino Sans GB', 'Microsoft YaHei', Arial, sans-serif; font-size: 16px; white-space: normal; text-align: justify; line-height: 1.75em; box-sizing: border-box !important; word-wrap: break-word !important; background: white;"><span style="max-width: 100%; color: rgb(68, 68, 68); box-sizing: border-box !important; word-wrap: break-word !important;"> 可等同于物理通道。对接收通道而言，通道即指具有接收隔离、前置放大、 TGC控制等具体电路的硬件。在多声束形成技术中，每一物理通道(对应一个阵元)将分为多个虚拟通道(或称逻辑通道)，产生不同的延迟时间后与相邻的阵元信号相加，形成不同的声束</span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-family: 'Hiragino Sans GB', 'Microsoft YaHei', Arial, sans-serif; font-size: 16px; white-space: normal; text-align: justify; line-height: 1.75em; box-sizing: border-box !important; word-wrap: break-word !important; background: white;"><span style="max-width: 100%; color: rgb(68, 68, 68); box-sizing: border-box !important; word-wrap: break-word !important;">20.</span><span style="max-width: 100%; color: rgb(68, 68, 68); box-sizing: border-box !important; word-wrap: break-word !important;">成像帧率</span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-family: 'Hiragino Sans GB', 'Microsoft YaHei', Arial, sans-serif; font-size: 16px; white-space: normal; text-align: justify; line-height: 1.75em; box-sizing: border-box !important; word-wrap: break-word !important; background: white;"><span style="max-width: 100%; color: rgb(68, 68, 68); box-sizing: border-box !important; word-wrap: break-word !important;"> 成像帧率取决于成像设备的性能、是否使用多声束形成技术和探测深度，其中探测深度对成像帧率起决定性的作用。探测深度越小，成像帧率就越高;使用多声束形成技术，成像帧率也可进一步提高。</span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-family: 'Hiragino Sans GB', 'Microsoft YaHei', Arial, sans-serif; font-size: 16px; white-space: normal; text-align: justify; line-height: 1.75em; box-sizing: border-box !important; word-wrap: break-word !important; background: white;"><span style="max-width: 100%; color: rgb(68, 68, 68); box-sizing: border-box !important; word-wrap: break-word !important;">21.</span><span style="max-width: 100%; color: rgb(68, 68, 68); box-sizing: border-box !important; word-wrap: break-word !important;">动态聚焦</span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-family: 'Hiragino Sans GB', 'Microsoft YaHei', Arial, sans-serif; font-size: 16px; white-space: normal; text-align: justify; line-height: 1.75em; box-sizing: border-box !important; word-wrap: break-word !important; background: white;"><span style="max-width: 100%; color: rgb(68, 68, 68); box-sizing: border-box !important; word-wrap: break-word !important;"> 动态聚焦是指动态接收聚焦，在一条接收声束中多次改变焦点，并把各焦点附近的回波信号拼接成一条完整的接收声束。</span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-family: 'Hiragino Sans GB', 'Microsoft YaHei', Arial, sans-serif; font-size: 16px; white-space: normal; text-align: justify; line-height: 1.75em; box-sizing: border-box !important; word-wrap: break-word !important; background: white;"><span style="max-width: 100%; color: rgb(68, 68, 68); box-sizing: border-box !important; word-wrap: break-word !important;">22.</span><span style="max-width: 100%; color: rgb(68, 68, 68); box-sizing: border-box !important; word-wrap: break-word !important;">全程聚焦</span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-family: 'Hiragino Sans GB', 'Microsoft YaHei', Arial, sans-serif; font-size: 16px; white-space: normal; text-align: justify; line-height: 1.75em; box-sizing: border-box !important; word-wrap: break-word !important; background: white;"><span style="max-width: 100%; color: rgb(68, 68, 68); box-sizing: border-box !important; word-wrap: break-word !important;"> 一类动态聚焦，焦点数很大，通常不少于 64。只有采用了数字声束形成技术的设备，才能实现全程聚焦。</span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-family: 'Hiragino Sans GB', 'Microsoft YaHei', Arial, sans-serif; font-size: 16px; white-space: normal; text-align: justify; line-height: 1.75em; box-sizing: border-box !important; word-wrap: break-word !important; background: white;"><span style="max-width: 100%; color: rgb(68, 68, 68); box-sizing: border-box !important; word-wrap: break-word !important;">23.</span><span style="max-width: 100%; color: rgb(68, 68, 68); box-sizing: border-box !important; word-wrap: break-word !important;">超声探头的频带</span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-family: 'Hiragino Sans GB', 'Microsoft YaHei', Arial, sans-serif; font-size: 16px; white-space: normal; text-align: justify; line-height: 1.75em; box-sizing: border-box !important; word-wrap: break-word !important; background: white;"><span style="max-width: 100%; color: rgb(68, 68, 68); box-sizing: border-box !important; word-wrap: break-word !important;"> 针对诊断超声，不同的检查部位或目的要求使用不同的发射和接收频率。以压电晶体为换能器的探头，只能在某一特定的频率下产生共振，其频带较窄。探头的宽频带是由换能器材料决定。探头的频带宽指探头覆盖的频率范围的宽度与中心频率之比。超宽频探头的带宽可接近 100%。</span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-family: 'Hiragino Sans GB', 'Microsoft YaHei', Arial, sans-serif; font-size: 16px; white-space: normal; text-align: justify; line-height: 1.75em; box-sizing: border-box !important; word-wrap: break-word !important; background: white;"><span style="max-width: 100%; color: rgb(68, 68, 68); box-sizing: border-box !important; word-wrap: break-word !important;"> 采用宽频探头可在近场发射和接收高频成分的超声波，以提高图像的分辨力;而在远场采用较低频率，以争取较强的穿透力。宽频探头也是进行谐波成像必不可少的条件。</span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-family: 'Hiragino Sans GB', 'Microsoft YaHei', Arial, sans-serif; font-size: 16px; white-space: normal; text-align: justify; line-height: 1.75em; box-sizing: border-box !important; word-wrap: break-word !important; background: white;"><span style="max-width: 100%; color: rgb(68, 68, 68); box-sizing: border-box !important; word-wrap: break-word !important;">24.</span><span style="max-width: 100%; color: rgb(68, 68, 68); box-sizing: border-box !important; word-wrap: break-word !important;">数字式波束形成器</span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-family: 'Hiragino Sans GB', 'Microsoft YaHei', Arial, sans-serif; font-size: 16px; white-space: normal; text-align: justify; line-height: 1.75em; box-sizing: border-box !important; word-wrap: break-word !important; background: white;"><span style="max-width: 100%; color: rgb(68, 68, 68); box-sizing: border-box !important; word-wrap: break-word !important;"> 回波信号只被简单放大后就被转换成数字信号，然后用数字电路实现以往需要用模拟器件实现的信号延迟、相加等处理。</span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-family: 'Hiragino Sans GB', 'Microsoft YaHei', Arial, sans-serif; font-size: 16px; white-space: normal; text-align: justify; line-height: 1.75em; box-sizing: border-box !important; word-wrap: break-word !important; background: white;"><span style="max-width: 100%; color: rgb(68, 68, 68); box-sizing: border-box !important; word-wrap: break-word !important;"> 其优劣势为：信号延迟精度高，系统的灵活性大，可靠性好;但其性能通常与模 /数转换的精度、回波信号处理的通道数等因素有关。</span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-family: 'Hiragino Sans GB', 'Microsoft YaHei', Arial, sans-serif; font-size: 16px; white-space: normal; text-align: justify; line-height: 1.75em; box-sizing: border-box !important; word-wrap: break-word !important; background: white;"><span style="max-width: 100%; color: rgb(68, 68, 68); box-sizing: border-box !important; word-wrap: break-word !important;">25.</span><span style="max-width: 100%; color: rgb(68, 68, 68); box-sizing: border-box !important; word-wrap: break-word !important;">模拟式波束形成器</span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-family: 'Hiragino Sans GB', 'Microsoft YaHei', Arial, sans-serif; font-size: 16px; white-space: normal; text-align: justify; line-height: 1.75em; box-sizing: border-box !important; word-wrap: break-word !important; background: white;"><span style="max-width: 100%; color: rgb(68, 68, 68); box-sizing: border-box !important; word-wrap: break-word !important;"> 回波信号被放大后，信号的延迟和相加处理靠模拟器件(电感、电容、运算放大器等)来实现。</span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-family: 'Hiragino Sans GB', 'Microsoft YaHei', Arial, sans-serif; font-size: 16px; white-space: normal; text-align: justify; line-height: 1.75em; box-sizing: border-box !important; word-wrap: break-word !important; background: white;"><span style="max-width: 100%; color: rgb(68, 68, 68); box-sizing: border-box !important; word-wrap: break-word !important;">26.</span><span style="max-width: 100%; color: rgb(68, 68, 68); box-sizing: border-box !important; word-wrap: break-word !important;">波束形成器</span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-family: 'Hiragino Sans GB', 'Microsoft YaHei', Arial, sans-serif; font-size: 16px; white-space: normal; text-align: justify; line-height: 1.75em; box-sizing: border-box !important; word-wrap: break-word !important; background: white;"><span style="max-width: 100%; color: rgb(68, 68, 68); box-sizing: border-box !important; word-wrap: break-word !important;"> 前端用来形成一条条扫描线信号的硬件电路。在使用电子探头时，波束形成器的前端与多个换能器阵元相联，从而进行信号的放大，并将各阵元接收的回波信号作适当延迟和相加，以实现电子聚焦。</span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-family: 'Hiragino Sans GB', 'Microsoft YaHei', Arial, sans-serif; font-size: 16px; white-space: normal; text-align: justify; line-height: 1.75em; box-sizing: border-box !important; word-wrap: break-word !important; background: white;"><span style="max-width: 100%; color: rgb(68, 68, 68); box-sizing: border-box !important; word-wrap: break-word !important;">27.</span><span style="max-width: 100%; color: rgb(68, 68, 68); box-sizing: border-box !important; word-wrap: break-word !important;">融合图像技术</span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-family: 'Hiragino Sans GB', 'Microsoft YaHei', Arial, sans-serif; font-size: 16px; white-space: normal; text-align: justify; line-height: 1.75em; box-sizing: border-box !important; word-wrap: break-word !important; background: white;"><span style="max-width: 100%; color: rgb(68, 68, 68); box-sizing: border-box !important; word-wrap: break-word !important;"> 在宽频带探头的检测下，形成多频率构成的图像(发射高频用于检测表浅组织，发射低频用于检测深部组织)。</span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-family: 'Hiragino Sans GB', 'Microsoft YaHei', Arial, sans-serif; font-size: 16px; white-space: normal; text-align: justify; line-height: 1.75em; box-sizing: border-box !important; word-wrap: break-word !important; background: white;"><span style="max-width: 100%; color: rgb(68, 68, 68); box-sizing: border-box !important; word-wrap: break-word !important;">三维成像将大量的二维超声信息在计算机的帮助下，按一定的顺序进行叠加，从而获得来自于二维超声的组织器官三维立体空间构造图。</span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-family: 'Hiragino Sans GB', 'Microsoft YaHei', Arial, sans-serif; font-size: 16px; white-space: normal; text-align: justify; line-height: 1.75em; box-sizing: border-box !important; word-wrap: break-word !important; background: white;"><span style="max-width: 100%; color: rgb(68, 68, 68); box-sizing: border-box !important; word-wrap: break-word !important;">28.</span><span style="max-width: 100%; color: rgb(68, 68, 68); box-sizing: border-box !important; word-wrap: break-word !important;">能量图</span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-family: 'Hiragino Sans GB', 'Microsoft YaHei', Arial, sans-serif; font-size: 16px; white-space: normal; text-align: justify; line-height: 1.75em; box-sizing: border-box !important; word-wrap: break-word !important; background: white;"><span style="max-width: 100%; color: rgb(68, 68, 68); box-sizing: border-box !important; word-wrap: break-word !important;"> 以利用超声多普勒方法检测慢速血流信号为基础，除去频移信号，仅利用由红血球散射能量形成的幅度信号，可出色地显示细小血管分布，不受血流角度及弯曲度的影响，故又称为超声血流造影技术。方向性能量图则全面利用了幅值及频移信号，有时又称为辐合全彩色多普勒，既可显示血管分布，又可检出血流平均速度。</span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-family: 'Hiragino Sans GB', 'Microsoft YaHei', Arial, sans-serif; font-size: 16px; white-space: normal; text-align: justify; line-height: 1.75em; box-sizing: border-box !important; word-wrap: break-word !important; background: white;"><span style="max-width: 100%; color: rgb(68, 68, 68); box-sizing: border-box !important; word-wrap: break-word !important;">29.</span><span style="max-width: 100%; color: rgb(68, 68, 68); box-sizing: border-box !important; word-wrap: break-word !important;">彩色多普勒血流成像</span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-family: 'Hiragino Sans GB', 'Microsoft YaHei', Arial, sans-serif; font-size: 16px; white-space: normal; text-align: justify; line-height: 1.75em; box-sizing: border-box !important; word-wrap: break-word !important; background: white;"><span style="max-width: 100%; color: rgb(68, 68, 68); box-sizing: border-box !important; word-wrap: break-word !important;"> 彩色多普勒血流成像系统(通常称为彩超)能同时显示 B型图像和多普勒血流数据(血流方向，流速，流速分散)的双重超声扫描系统。</span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-family: 'Hiragino Sans GB', 'Microsoft YaHei', Arial, sans-serif; font-size: 16px; white-space: normal; text-align: justify; line-height: 1.75em; box-sizing: border-box !important; word-wrap: break-word !important; background: white;"><span style="max-width: 100%; color: rgb(68, 68, 68); box-sizing: border-box !important; word-wrap: break-word !important;">Color Power Angio</span><span style="max-width: 100%; color: rgb(68, 68, 68); box-sizing: border-box !important; word-wrap: break-word !important;">，CPA检测血流中血球后散射能量的大小，不区分流向，和 θ角(声波方向和血流方向间夹角)无关。CPA提高了血流检测的灵敏度，尤其适用于显示细小血管的低速血流，但不能显示血流方向。</span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-family: 'Hiragino Sans GB', 'Microsoft YaHei', Arial, sans-serif; font-size: 16px; white-space: normal; text-align: justify; line-height: 1.75em; box-sizing: border-box !important; word-wrap: break-word !important; background: white;"><span style="max-width: 100%; color: rgb(68, 68, 68); box-sizing: border-box !important; word-wrap: break-word !important;">谐波成像</span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-family: 'Hiragino Sans GB', 'Microsoft YaHei', Arial, sans-serif; font-size: 16px; white-space: normal; text-align: justify; line-height: 1.75em; box-sizing: border-box !important; word-wrap: break-word !important; background: white;"><span style="max-width: 100%; color: rgb(68, 68, 68); box-sizing: border-box !important; word-wrap: break-word !important;"> 由于声在人体组织内传播过程产生的非线性以及组织界面入射 /反射关系的非线性，使得当发射的声波频率为f 0 时，回波(由于反射或散射)频率种除有f 0 (称基波)，还有2f 0 ，3f 0 ……等成分(称为谐波)，其中以二次谐波(2f 0 )的能量最大。</span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-family: 'Hiragino Sans GB', 'Microsoft YaHei', Arial, sans-serif; font-size: 16px; white-space: normal; text-align: justify; line-height: 1.75em; box-sizing: border-box !important; word-wrap: break-word !important; background: white;"><span style="max-width: 100%; color: rgb(68, 68, 68); box-sizing: border-box !important; word-wrap: break-word !important;"> 利用回声(反射或散射)中的二次谐波所携带的人体信息形成的声像图称为超声谐波成像。不使用 UCA(超声造影剂)的谐波成像称为自然谐波成像(Native Harmonic Imaging)或组织谐波成像(TissueHarmonic Imaging)。使用UCA(超声造影剂)的谐波成像称为造影谐波成像。</span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-family: 'Hiragino Sans GB', 'Microsoft YaHei', Arial, sans-serif; font-size: 16px; white-space: normal; text-align: justify; line-height: 1.75em; box-sizing: border-box !important; word-wrap: break-word !important; background: white;"><span style="max-width: 100%; color: rgb(68, 68, 68); box-sizing: border-box !important; word-wrap: break-word !important;">30.</span><span style="max-width: 100%; color: rgb(68, 68, 68); box-sizing: border-box !important; word-wrap: break-word !important;">动态范围</span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-family: 'Hiragino Sans GB', 'Microsoft YaHei', Arial, sans-serif; font-size: 16px; white-space: normal; text-align: justify; line-height: 1.75em; box-sizing: border-box !important; word-wrap: break-word !important; background: white;"><span style="max-width: 100%; color: rgb(68, 68, 68); box-sizing: border-box !important; word-wrap: break-word !important;"> 接收信号的动态变化幅度，单位为分贝( dB)，动态范围越大，其信号应用区域就越广，而病灶的包容量就越大。</span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-family: 'Hiragino Sans GB', 'Microsoft YaHei', Arial, sans-serif; font-size: 16px; white-space: normal; text-align: justify; line-height: 1.75em; box-sizing: border-box !important; word-wrap: break-word !important; background: white;"><span style="max-width: 100%; color: rgb(68, 68, 68); box-sizing: border-box !important; word-wrap: break-word !important;">噪声紊乱断续或统计上随机的声震荡，异常的声音，即在一定频段中出现的异常干扰。</span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-family: 'Hiragino Sans GB', 'Microsoft YaHei', Arial, sans-serif; font-size: 16px; white-space: normal; text-align: justify; line-height: 1.75em; box-sizing: border-box !important; word-wrap: break-word !important; background: white;"><span style="max-width: 100%; color: rgb(68, 68, 68); box-sizing: border-box !important; word-wrap: break-word !important;">31.</span><span style="max-width: 100%; color: rgb(68, 68, 68); box-sizing: border-box !important; word-wrap: break-word !important;">帧频</span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-family: 'Hiragino Sans GB', 'Microsoft YaHei', Arial, sans-serif; font-size: 16px; white-space: normal; text-align: justify; line-height: 1.75em; box-sizing: border-box !important; word-wrap: break-word !important; background: white;"><span style="max-width: 100%; color: rgb(68, 68, 68); box-sizing: border-box !important; word-wrap: break-word !important;"> 每秒成像的帧数。帧频越高，图像显示就越平稳。</span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-family: 'Hiragino Sans GB', 'Microsoft YaHei', Arial, sans-serif; font-size: 16px; white-space: normal; text-align: justify; line-height: 1.75em; box-sizing: border-box !important; word-wrap: break-word !important; background: white;"><span style="max-width: 100%; color: rgb(68, 68, 68); box-sizing: border-box !important; word-wrap: break-word !important;">32.</span><span style="max-width: 100%; color: rgb(68, 68, 68); box-sizing: border-box !important; word-wrap: break-word !important;">后处理</span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-family: 'Hiragino Sans GB', 'Microsoft YaHei', Arial, sans-serif; font-size: 16px; white-space: normal; text-align: justify; line-height: 1.75em; box-sizing: border-box !important; word-wrap: break-word !important; background: white;"><span style="max-width: 100%; color: rgb(68, 68, 68); box-sizing: border-box !important; word-wrap: break-word !important;"> 存储器中的数字信号按地址取出后，设定的程序进行变换，进行信息的一种处理。</span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-family: 'Hiragino Sans GB', 'Microsoft YaHei', Arial, sans-serif; font-size: 16px; white-space: normal; text-align: justify; line-height: 1.75em; box-sizing: border-box !important; word-wrap: break-word !important; background: white;"><span style="max-width: 100%; color: rgb(68, 68, 68); box-sizing: border-box !important; word-wrap: break-word !important;">33.</span><span style="max-width: 100%; color: rgb(68, 68, 68); box-sizing: border-box !important; word-wrap: break-word !important;">灰阶</span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-family: 'Hiragino Sans GB', 'Microsoft YaHei', Arial, sans-serif; font-size: 16px; white-space: normal; text-align: justify; line-height: 1.75em; box-sizing: border-box !important; word-wrap: break-word !important; background: white;"><span style="max-width: 100%; color: rgb(68, 68, 68); box-sizing: border-box !important; word-wrap: break-word !important;"> 以不同的亮度级来显示振幅强弱。灰阶数越大，越能显示微小病灶。</span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-family: 'Hiragino Sans GB', 'Microsoft YaHei', Arial, sans-serif; font-size: 16px; white-space: normal; text-align: justify; line-height: 1.75em; box-sizing: border-box !important; word-wrap: break-word !important; background: white;"><span style="max-width: 100%; color: rgb(68, 68, 68); box-sizing: border-box !important; word-wrap: break-word !important;">图像分辨力超声波辨别两个相邻不同阻抗的物体的能力。具有轴向、测向及横向分辨力的基本分辨力。</span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-family: 'Hiragino Sans GB', 'Microsoft YaHei', Arial, sans-serif; font-size: 16px; white-space: normal; text-align: justify; line-height: 1.75em; box-sizing: border-box !important; word-wrap: break-word !important; background: white;"><span style="max-width: 100%; color: rgb(68, 68, 68); box-sizing: border-box !important; word-wrap: break-word !important;">34.</span><span style="max-width: 100%; color: rgb(68, 68, 68); box-sizing: border-box !important; word-wrap: break-word !important;">多普勒效应</span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-family: 'Hiragino Sans GB', 'Microsoft YaHei', Arial, sans-serif; font-size: 16px; white-space: normal; text-align: justify; line-height: 1.75em; box-sizing: border-box !important; word-wrap: break-word !important; background: white;"><span style="max-width: 100%; color: rgb(68, 68, 68); box-sizing: border-box !important; word-wrap: break-word !important;"> 超声波在人体内传播时，遇到与之作相对运动的脏器或界面，反射或散射的超声波频率随着界面运动的情况而发生改变。</span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-family: 'Hiragino Sans GB', 'Microsoft YaHei', Arial, sans-serif; font-size: 16px; white-space: normal; text-align: justify; line-height: 1.75em; box-sizing: border-box !important; word-wrap: break-word !important; background: white;"><span style="max-width: 100%; color: rgb(68, 68, 68); box-sizing: border-box !important; word-wrap: break-word !important;">35.</span><span style="max-width: 100%; color: rgb(68, 68, 68); box-sizing: border-box !important; word-wrap: break-word !important;">超声造影剂</span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-family: 'Hiragino Sans GB', 'Microsoft YaHei', Arial, sans-serif; font-size: 16px; white-space: normal; text-align: justify; line-height: 1.75em; box-sizing: border-box !important; word-wrap: break-word !important; background: white;"><span style="max-width: 100%; color: rgb(68, 68, 68); box-sizing: border-box !important; word-wrap: break-word !important;"> 采用大小为 5~7μm的封闭气泡或固态离子以显著增强反射信号，提高血流的可视度。造影剂也能适度提高组织的对比度，有助于在动态渗透研究中观测组织随时间的增强</span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-family: 'Hiragino Sans GB', 'Microsoft YaHei', Arial, sans-serif; font-size: 16px; white-space: normal; text-align: justify; line-height: 1.75em; box-sizing: border-box !important; word-wrap: break-word !important; background: white;"><span style="max-width: 100%; color: rgb(68, 68, 68); box-sizing: border-box !important; word-wrap: break-word !important;">36.</span><span style="max-width: 100%; color: rgb(68, 68, 68); box-sizing: border-box !important; word-wrap: break-word !important;">多频探头</span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-family: 'Hiragino Sans GB', 'Microsoft YaHei', Arial, sans-serif; font-size: 16px; white-space: normal; text-align: justify; line-height: 1.75em; box-sizing: border-box !important; word-wrap: break-word !important; background: white;"><span style="max-width: 100%; color: rgb(68, 68, 68); box-sizing: border-box !important; word-wrap: break-word !important;"> 多频探头是脉冲回波换能器的一个新发展，他可以用同一个探头发出几种不同的超声脉冲，实现用高频超声覆盖进厂，中频超声覆盖远近场过渡区，低频超声覆盖远场的设计思想。单元多频探头是把多层压电陶瓷(或高分子压电材料)片相互粘合起来，从各层间的电极分别引出引线，以便对不同层进行激励，获得多种频率的超声脉冲发射。多频探头的数字编码简单，易于丢失信号，但价格较适中。</span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-family: 'Hiragino Sans GB', 'Microsoft YaHei', Arial, sans-serif; font-size: 16px; white-space: normal; text-align: justify; line-height: 1.75em; box-sizing: border-box !important; word-wrap: break-word !important; background: white;"><span style="max-width: 100%; color: rgb(68, 68, 68); box-sizing: border-box !important; word-wrap: break-word !important;">37.</span><span style="max-width: 100%; color: rgb(68, 68, 68); box-sizing: border-box !important; word-wrap: break-word !important;">宽频探头</span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-family: 'Hiragino Sans GB', 'Microsoft YaHei', Arial, sans-serif; font-size: 16px; white-space: normal; text-align: justify; line-height: 1.75em; box-sizing: border-box !important; word-wrap: break-word !important; background: white;"><span style="max-width: 100%; color: rgb(68, 68, 68); box-sizing: border-box !important; word-wrap: break-word !important;"> 用同一个探头发出连续的超声脉冲信号，实现某一频率范围内的超声信号能无间隙的发射和接收。</span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-family: 'Hiragino Sans GB', 'Microsoft YaHei', Arial, sans-serif; font-size: 16px; white-space: normal; text-align: justify; line-height: 1.75em; box-sizing: border-box !important; word-wrap: break-word !important; background: white;"><span style="max-width: 100%; color: rgb(68, 68, 68); box-sizing: border-box !important; word-wrap: break-word !important;">38.</span><span style="max-width: 100%; color: rgb(68, 68, 68); box-sizing: border-box !important; word-wrap: break-word !important;">超宽频探头</span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-family: 'Hiragino Sans GB', 'Microsoft YaHei', Arial, sans-serif; font-size: 16px; white-space: normal; text-align: justify; line-height: 1.75em; box-sizing: border-box !important; word-wrap: break-word !important; background: white;"><span style="max-width: 100%; color: rgb(68, 68, 68); box-sizing: border-box !important; word-wrap: break-word !important;"> 在宽频探头的基础之上，使探头接收和发射的超声信号范围进一步的得到扩展。超宽频探头的信号完全进行在接收的瞬间，并进行定时全面地数字编码、信号放大，保证信号无失真，并扩展了信号的动态范围。</span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-family: 'Hiragino Sans GB', 'Microsoft YaHei', Arial, sans-serif; font-size: 16px; white-space: normal; text-align: justify; line-height: 1.75em; box-sizing: border-box !important; word-wrap: break-word !important; background: white;"><span style="max-width: 100%; color: rgb(68, 68, 68); box-sizing: border-box !important; word-wrap: break-word !important;">39.</span><span style="max-width: 100%; color: rgb(68, 68, 68); box-sizing: border-box !important; word-wrap: break-word !important;">机械探头</span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-family: 'Hiragino Sans GB', 'Microsoft YaHei', Arial, sans-serif; font-size: 16px; white-space: normal; text-align: justify; line-height: 1.75em; box-sizing: border-box !important; word-wrap: break-word !important; background: white;"><span style="max-width: 100%; color: rgb(68, 68, 68); box-sizing: border-box !important; word-wrap: break-word !important;"> 有电机带动其转轴位于探头曲面的焦点上的旋转头单向转动，旋转头上镶嵌着两个聚焦换能器，当换能器旋转到面向反射镜方向时，发射超声脉冲，经抛物面发射后即形成一排平行的直线扫描波束，实现了机械扫描。其优点在于扇形机械扫描探头具有远区探查视野大，与人体声耦合接触面积小，切向与侧向分辨率相同。适用于心脏、小器官、眼科、内腔管道和腹部脏器的超声检查。</span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-family: 'Hiragino Sans GB', 'Microsoft YaHei', Arial, sans-serif; font-size: 16px; white-space: normal; text-align: justify; line-height: 1.75em; box-sizing: border-box !important; word-wrap: break-word !important; background: white;"><span style="max-width: 100%; color: rgb(68, 68, 68); box-sizing: border-box !important; word-wrap: break-word !important;">40.</span><span style="max-width: 100%; color: rgb(68, 68, 68); box-sizing: border-box !important; word-wrap: break-word !important;">环阵探头</span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-family: 'Hiragino Sans GB', 'Microsoft YaHei', Arial, sans-serif; font-size: 16px; white-space: normal; text-align: justify; line-height: 1.75em; box-sizing: border-box !important; word-wrap: break-word !important; background: white;"><span style="max-width: 100%; color: rgb(68, 68, 68); box-sizing: border-box !important; word-wrap: break-word !important;"> 在机械扇扫超声诊断设备中采用圆环阵动态分段聚焦方法的原理和线阵的动态聚焦一样，环阵探头将一个圆形活塞换能器分割成一个小的中心圆盘和若干个同心圆的远换，这些圆环和圆盘组成阵元，其辐射面积相等，但在电学上和声学上都是相互隔离的。对每个阵元的电信号施加适当的延迟，就能实现沿中心轴任何距离的聚焦，这与声透镜的作用相仿，因此其到了“电子聚焦透镜”的作用。</span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-family: 'Hiragino Sans GB', 'Microsoft YaHei', Arial, sans-serif; font-size: 16px; white-space: normal; text-align: justify; line-height: 1.75em; box-sizing: border-box !important; word-wrap: break-word !important; background: white;"><span style="max-width: 100%; color: rgb(68, 68, 68); box-sizing: border-box !important; word-wrap: break-word !important;">41.</span><span style="max-width: 100%; color: rgb(68, 68, 68); box-sizing: border-box !important; word-wrap: break-word !important;">增益</span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-family: 'Hiragino Sans GB', 'Microsoft YaHei', Arial, sans-serif; font-size: 16px; white-space: normal; text-align: justify; line-height: 1.75em; box-sizing: border-box !important; word-wrap: break-word !important; background: white;"><span style="max-width: 100%; color: rgb(68, 68, 68); box-sizing: border-box !important; word-wrap: break-word !important;"> 是指接收机的电压放大倍数。一般近程增益是指接收机对近距离信号的电压放大倍数，通常 B 超的近程增益取负系数可调(衰减)，例如可调范围为 0~ -30db 可调。这种设计便于抑制近场强信号，避免放大器出现饱和;远程增益是指接收机对远距离信号的电压放大倍数，通常远程增益取正系数可调，例如可调范围为 0~6db ，这种设计便于对远场回波实施补偿，从而克服由于介质损耗而造成的远程回波的衰减。</span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-family: 'Hiragino Sans GB', 'Microsoft YaHei', Arial, sans-serif; font-size: 16px; white-space: normal; text-align: justify; line-height: 1.75em; box-sizing: border-box !important; word-wrap: break-word !important; background: white;"><span style="max-width: 100%; color: rgb(68, 68, 68); box-sizing: border-box !important; word-wrap: break-word !important;"> </span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-family: 'Hiragino Sans GB', 'Microsoft YaHei', Arial, sans-serif; font-size: 16px; white-space: normal; text-align: justify; line-height: 1.75em; box-sizing: border-box !important; word-wrap: break-word !important; background: white;"><span style="max-width: 100%; color: rgb(68, 68, 68); box-sizing: border-box !important; word-wrap: break-word !important;"> 紊乱断续或统计上随机的声振荡，是不需要的声音，即在一定频段中任何不需要的干扰。</span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-family: 'Hiragino Sans GB', 'Microsoft YaHei', Arial, sans-serif; font-size: 16px; white-space: normal; text-align: justify; line-height: 1.75em; box-sizing: border-box !important; word-wrap: break-word !important; background: white;"><span style="max-width: 100%; color: rgb(68, 68, 68); box-sizing: border-box !important; word-wrap: break-word !important;">数模转化</span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-family: 'Hiragino Sans GB', 'Microsoft YaHei', Arial, sans-serif; font-size: 16px; white-space: normal; text-align: justify; line-height: 1.75em; box-sizing: border-box !important; word-wrap: break-word !important; background: white;"><span style="max-width: 100%; color: rgb(68, 68, 68); box-sizing: border-box !important; word-wrap: break-word !important;"> 将模拟信号转换成数字信号进行存储，并在写入和读出的过程中对信号进行各种处理，最终将数字信号变换为模拟信号表现出来。</span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-family: 'Hiragino Sans GB', 'Microsoft YaHei', Arial, sans-serif; font-size: 16px; white-space: normal; text-align: justify; line-height: 1.75em; box-sizing: border-box !important; word-wrap: break-word !important; background: white;"><span style="max-width: 100%; color: rgb(68, 68, 68); box-sizing: border-box !important; word-wrap: break-word !important;">全数字化</span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-family: 'Hiragino Sans GB', 'Microsoft YaHei', Arial, sans-serif; font-size: 16px; white-space: normal; text-align: justify; line-height: 1.75em; box-sizing: border-box !important; word-wrap: break-word !important; background: white;"><span style="max-width: 100%; color: rgb(68, 68, 68); box-sizing: border-box !important; word-wrap: break-word !important;"> 在系统中接收到模拟人体信号后，在探头部分实行全部数字化编码，使信号完全数字化，能提高设备的抗外界干扰能力，降低噪音、提高图像质量，方便地对图像进行存储、更改、放大等操作。</span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-family: 'Hiragino Sans GB', 'Microsoft YaHei', Arial, sans-serif; font-size: 16px; white-space: normal; text-align: justify; line-height: 1.75em; box-sizing: border-box !important; word-wrap: break-word !important; background: white;"><span style="max-width: 100%; color: rgb(68, 68, 68); box-sizing: border-box !important; word-wrap: break-word !important;"> 超声诊断设备进入数字信号与图像处理技术是超声诊断设备先进性、不断改进的一个目标。</span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-family: 'Hiragino Sans GB', 'Microsoft YaHei', Arial, sans-serif; font-size: 16px; white-space: normal; text-align: justify; line-height: 1.75em; box-sizing: border-box !important; word-wrap: break-word !important; background: white;"><span style="max-width: 100%; color: rgb(68, 68, 68); box-sizing: border-box !important; word-wrap: break-word !important;"> 对于模拟信号，一般情况下易于受外界干扰或器件参数飘逸，造成多种噪音进入系统，而且模拟信号的处理精度较低，无法高保真地传递转换图像信息。</span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-family: 'Hiragino Sans GB', 'Microsoft YaHei', Arial, sans-serif; font-size: 16px; white-space: normal; text-align: justify; line-height: 1.75em; box-sizing: border-box !important; word-wrap: break-word !important; background: white;"><span style="max-width: 100%; color: rgb(68, 68, 68); box-sizing: border-box !important; word-wrap: break-word !important;"> 针对模拟信号的这些缺点，人们对超声设备的每一环节提出了数字与图像处理技术，这一技术提高了超声信号的精确度。</span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-family: 'Hiragino Sans GB', 'Microsoft YaHei', Arial, sans-serif; font-size: 16px; white-space: normal; text-align: justify; line-height: 1.75em; box-sizing: border-box !important; word-wrap: break-word !important; background: white;"><span style="max-width: 100%; color: rgb(68, 68, 68); box-sizing: border-box !important; word-wrap: break-word !important;"> 具体表现为： 1 、数字式延迟方式提高了波束的聚焦精度，提高了图像的分辨率。</span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-family: 'Hiragino Sans GB', 'Microsoft YaHei', Arial, sans-serif; font-size: 16px; white-space: normal; text-align: justify; line-height: 1.75em; box-sizing: border-box !important; word-wrap: break-word !important; background: white;"><span style="max-width: 100%; color: rgb(68, 68, 68); box-sizing: border-box !important; word-wrap: break-word !important;"> 2 、数字帧处理技术抑制了图像中地斑点噪音。</span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-family: 'Hiragino Sans GB', 'Microsoft YaHei', Arial, sans-serif; font-size: 16px; white-space: normal; text-align: justify; line-height: 1.75em; box-sizing: border-box !important; word-wrap: break-word !important; background: white;"><span style="max-width: 100%; color: rgb(68, 68, 68); box-sizing: border-box !important; word-wrap: break-word !important;"> 3 、数字边缘增强技术又突出了图像中的高频部分，从而使图像轮廓清晰可见。</span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-family: 'Hiragino Sans GB', 'Microsoft YaHei', Arial, sans-serif; font-size: 16px; white-space: normal; text-align: justify; line-height: 1.75em; box-sizing: border-box !important; word-wrap: break-word !important; background: white;"><span style="max-width: 100%; color: rgb(68, 68, 68); box-sizing: border-box !important; word-wrap: break-word !important;"> 4 、师资扫描变换器不仅实现了坐标变换、数据插补，而且应用在图像上就有了放大、缩小、变焦、摇镜头。</span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-family: 'Hiragino Sans GB', 'Microsoft YaHei', Arial, sans-serif; font-size: 16px; white-space: normal; text-align: justify; line-height: 1.75em; box-sizing: border-box !important; word-wrap: break-word !important; background: white;"><span style="max-width: 100%; color: rgb(68, 68, 68); box-sizing: border-box !important; word-wrap: break-word !important;"> 5 、数字化在图像后处理中已产生可以随意改变图像的灰阶范围、存储多幅图像，用电影回放功能把脏器活动的全过程展示。</span></p><p style="margin: 0cm 0cm 0.0001pt; max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-family: 'Hiragino Sans GB', 'Microsoft YaHei', Arial, sans-serif; font-size: 16px; white-space: normal; text-align: justify; line-height: 1.75em; box-sizing: border-box !important; word-wrap: break-word !important; background: white;"><span style="max-width: 100%; color: rgb(68, 68, 68); box-sizing: border-box !important; word-wrap: break-word !important;">文章来源：医疗维修在线</span></p><p style="margin: 0cm 0cm 0.0001pt; max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-family: 'Hiragino Sans GB', 'Microsoft YaHei', Arial, sans-serif; font-size: 16px; white-space: normal; text-align: justify; line-height: 1.75em; box-sizing: border-box !important; word-wrap: break-word !important; background: white;"><span style="max-width: 100%; color: rgb(68, 68, 68); box-sizing: border-box !important; word-wrap: break-word !important;"><br /></span></p><p style="font-size: 16px; white-space: normal; max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); line-height: 25.6px; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><span style="max-width: 100%; font-family: Arial, Verdana, sans-serif; line-height: 1.75em; text-indent: 0em; font-size: 14px; box-sizing: border-box !important; word-wrap: break-word !important;">地址：广州市天河区银利街银利茶叶博览中心E栋4楼E4030室 </span><span style="max-width: 100%; font-family: Arial, Verdana, sans-serif; text-indent: 0em; font-size: 14px; line-height: 1.75em; box-sizing: border-box !important; word-wrap: break-word !important;"> </span></p><p style="text-indent: 0em; white-space: normal; max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-size: 12px; font-family: Arial, Verdana, sans-serif; line-height: 1.75em; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><span style="max-width: 100%; font-size: 14px; line-height: 1.75em; box-sizing: border-box !important; word-wrap: break-word !important;">邮编：510507</span></p><p style="text-indent: 0em; white-space: normal; max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-size: 12px; font-family: Arial, Verdana, sans-serif; line-height: 1.75em; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><span style="max-width: 100%; font-size: 14px; box-sizing: border-box !important; word-wrap: break-word !important;">电话：(+86)020-8722 8723 8764 5360 8764 2943 </span></p><p style="text-indent: 0em; white-space: normal; max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-size: 12px; font-family: Arial, Verdana, sans-serif; line-height: 1.75em; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><span style="max-width: 100%; font-size: 14px; box-sizing: border-box !important; word-wrap: break-word !important;">传真：020-8722 8623</span></p><p style="text-indent: 0em; white-space: normal; max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-size: 12px; font-family: Arial, Verdana, sans-serif; line-height: 1.75em; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><span style="max-width: 100%; font-size: 14px; box-sizing: border-box !important; word-wrap: break-word !important;">全国统一免费服务热线：400-020-6788</span></p><p style="text-indent: 0em; white-space: normal; max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-size: 12px; font-family: Arial, Verdana, sans-serif; line-height: 1.75em; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><span style="font-size: 16px; line-height: 24.381px; font-family: 'Helvetica Neue', Helvetica, 'Hiragino Sans GB', 'Microsoft YaHei', Arial, sans-serif;">公司官网：http://gb.parts-ultrasound.com/</span><span style="max-width: 100%; font-size: 14px; box-sizing: border-box !important; word-wrap: break-word !important;"></span></p><p style="font-size: 16px; white-space: normal; max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); line-height: 24.381px; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><span style="max-width: 100%; line-height: 1.75em; text-indent: 0em; font-size: 14px; font-family: Arial, Verdana, sans-serif; box-sizing: border-box !important; word-wrap: break-word !important;">微信公众帐号：</span></p><p style="font-size: 16px; white-space: normal; max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); line-height: 24.381px; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><span style="max-width: 100%; line-height: 1.75em; text-indent: 0em; font-size: 14px; font-family: Arial, Verdana, sans-serif; box-sizing: border-box !important; word-wrap: break-word !important;"></span></p><p><img data-s="300,640" data-type="jpeg" src="http://mmbiz.qpic.cn/mmbiz_jpg/dx3KibwtDhvfh2wVX4NftfnfjcZWIKK6EQDWtTTsYwjfQBnsqkThAZP5OlDmg5S3g22gSqMWhAxr2O4MydSJHnQ/0?wx_fmt=jpeg" data-ratio="1" data-w="258" /></p><p style="font-size: 16px; white-space: normal; max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); line-height: 24.381px; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><span style="max-width: 100%; line-height: 1.75em; text-indent: 0em; font-size: 14px; font-family: Arial, Verdana, sans-serif; box-sizing: border-box !important; word-wrap: break-word !important;"></span></p><p style="font-size: 16px; white-space: normal; max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); line-height: 24.381px; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><span style="font-size: 14px; font-family: Arial, Verdana, sans-serif; line-height: 1.75em; text-indent: 0em;">维修咨询：QQ: 712638 404</span><span style="max-width: 100%; line-height: 1.75em; text-indent: 0em; font-size: 14px; font-family: Arial, Verdana, sans-serif; box-sizing: border-box !important; word-wrap: break-word !important;"></span></p><p style="text-indent: 0em; white-space: normal; max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-size: 12px; font-family: Arial, Verdana, sans-serif; line-height: 1.75em; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><span style="max-width: 100%; font-size: 14px; box-sizing: border-box !important; word-wrap: break-word !important;">设备咨询: QQ: 712638 405</span></p><p style="font-size: 16px; white-space: normal; max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); line-height: 24.381px; text-align: justify; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><span style="max-width: 100%; font-size: 14px; font-family: Arial, Verdana, sans-serif; line-height: 1.75em; text-indent: 0em; box-sizing: border-box !important; word-wrap: break-word !important;">软件咨询：QQ: 712638 406</span><br style="max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;" /></p><p style="text-indent: 0em; white-space: normal; max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-size: 12px; font-family: Arial, Verdana, sans-serif; line-height: 1.75em; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><span style="max-width: 100%; font-size: 14px; box-sizing: border-box !important; word-wrap: break-word !important;">配件咨询：QQ: 712638 407</span></p><p style="text-indent: 0em; white-space: normal; max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-size: 12px; font-family: Arial, Verdana, sans-serif; line-height: 1.75em; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><span style="max-width: 100%; font-size: 14px; box-sizing: border-box !important; word-wrap: break-word !important;">交流Q群：1106 11074</span></p><p style="text-indent: 0em; white-space: normal; max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-size: 12px; font-family: Arial, Verdana, sans-serif; line-height: 1.75em; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><span style="max-width: 100%; font-size: 14px; box-sizing: border-box !important; word-wrap: break-word !important;">网址：http://www.yiliaoshebeiweixiu.com</span></p><p style="text-indent: 0em; white-space: normal; 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发表于 2020-10-19 23:24:16