如果我站在这里，你们不移动，我移动这些音叉，那么你们会听到不同，频率，这就是我们，所说的多普勒效应。
If you stay where you are and you don't move and I move these tuning forks, you will hear a different frequency and that's what we call Doppler effect.
这个音叉，产生4000的赫兹，一个很高的频率。
I have here a tuning fork which generates 4,000 Hertz, a very high frequency.
加工高质量的石英音叉需要解决工艺误差导致的机械耦合误差及频率漂移等问题。
To get high quality quartz tuning forks, mechanical coupling error and frequency excursion by machining errors must be resolved.
根据本征频率计算了石英音叉的动态等效电路参数，计算值在实测值的离散范围内。
Based on the inherent frequencies the dynamic equivalent circuit parameters are calculated and the result is within the discrete range of experimental values.
晶体遵循谐波频率，可用于与仪器，看起来像音叉。
Crystals follow harmonic frequencies and could be used with an instrument that looks like a tuning fork.
本文讨论利用压电音叉作为频率元件的频率制远动装置的设计方法。
This paper deals with the design method of the frequency—type remote supervisory control equipment with piezoelectric fork for frequency elements.
本文对用音叉作为空间频率调制器的可行性进行了研究。
The feasibility was studied for the tuning fork to be used as Space Frequency Modulator for the use of measuring the depth of plate.
本文对用音叉作为空间频率调制器的可行性进行了研究。
The feasibility was studied for the tuning fork to be used as Space Frequency Modulator for the use of measuring the depth of plate.
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