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1·Study the characteristics of the color Doppler echocardiography of ruptured mitral chordae tendineae (RMCT).

研究二尖瓣腱索破裂（RMCT）的彩色多普勒超声心动图特征。

2·The objective is to explore the roles of color Doppler vena contracta in the evaluation of mitral regurgitation grading.

目的是探讨彩色多普勒静脉收缩术在评估二尖瓣反流分级中的作用。

3·You see Doppler effect.

你们看到多普勒效应。

4·I'm going as the Doppler effect.

我准备扮演多普勒效应。

5·Doppler principle. Well, to some extent.

多普勒效应原理，某种程度上是这样。

6·And now you measure the Doppler shift of star two as a function of time.

现在可以测量双星的，随时间的多普勒顿移。

7·Imagine now you can make the Doppler shift measurements of both stars.

假设现在你可以，对双星进行，多普勒顿移的测量。

8·The conventional ISAR imaging method is based on the instantaneous Doppler of scatterers .

常规的ISAR成像方法是利用散射点的多普勒频率来成像。

9·Mechanism of Doppler blood flow ultrasonic spectrum of the polycystic kidney was discussed.

本文还讨论了多囊肾血流多普勒频谱变化的机制。

10·Wind farm turbines create a Doppler effect as they rotate, creating a potential radar blackout zone.

风力涡轮机在旋转过程中产生多普勒效应，形成一个潜在的雷达中断区。