对薄板的高次弯曲振动模式的分析及大圆盘、多波节复合弯曲超声换能器的设计提供了理论计算依据。
These provide theoretical calculation basis for analysis of high mode flexural vibration of plate and design of big round plate and multi nodal compound flexural ultrasonic transducer.
在弦振动“驻波”实验中，对于起振端是波节还是波腹，存在不同的认识。
There are different viewpoints about the wave source in the experiment of vibration of string.
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