Based on the principle of equivalent mass, it tests the impelling vibration in sonic wave vibration system, introduces the experiment condition and process.
为此参照等效质量原理对声振系统进行了激振试验，并对试验条件和试验方法进行了介绍。
In the traditional teaching process of vibration and wave, only a few vibration and wave phenomena can be demonstrated by means of mechanical devices.
在传统的振动与波动学教学中，只能通过机械装置对个别振动与波动现象进行演示。
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