32工作频率(operating frequency)为4 MHz,待测血流流速为15.4 cm/s,都卜勒角度(Doppler angle) 为零度,则超音波都卜勒位移(Doppler shift)约为多少kHz
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And when it is here again-- when the angle between f And so this phenomenon is called the Doppler effect.
当它再一次到这里-,当速度和你们之间的,撇又等于f，then，f，prime，equals，f，again。,这个现象被称为,多普勒效应。
A four-beam acoustic doppler current profiler (ADCP) is often used at an Angle.
实际使用中，声学多普勒流速剖面仪(ADCP)常常处于倾斜状态。
Ocular structures of 32 cases (64 eyes) with acute primary Angle closure glaucoma were measured by color doppler instrument.
本文采用彩色多普勒仪对32例(64眼)原发性急性闭角型青光眼进行活体结构测量。
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