ultrasonic scanning的意思|示意

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3、 ultrasonic duplex scanning 超声波双重扫描

4、 ultrasonic scanning image 超声波扫描成像

7、 ultrasonic scanning imaging 超声扫描成像检测

They also used ultrasonic scanning to measure the sliding motion of the Achilles tendons of their volunteers as their feet moved up and down.

同样，他们还使用超声扫描，测量这些志愿者样本脚部上下移动之时跟腱的滑动。

These often rely on the ultrasonic probe being connected to a manually operated scanning arm with the position being encoded.

这些通常根据由手动操作的扫描杆连接的超声波探针和译码器确定的位置来绘制。

And the widespread use of ultrasonic scanning means that, increasingly often, twins are spotted in early scans and subsequently vanish.

随着超声波扫描的广泛使用，人们越来越多地发现这样的情况：妊娠早期扫描发现了孪生胎，后来却消失了。