sound standing wave的意思|示意

One of them is the sound standing wave resonance of fluid in cavity, the frequencies of which are invariable as velocity of flow is increasing.

经过分析，发现突出试验段壁上的流线型腔与突出的矩形腔在气流中被激振荡相似，存在着其频率与流速无关的腔中液体声共振谱峰；

Methods Use a standing wave tube to measure the sound absorption coefficient of many kinds of grain.

采用驻波管法测量了多种粮食的吸声系数。

I was standing by the back corner of the truck, struggling to fight back the sudden wave of emotion the snow chains had brought on, when I heardan odd sound.

我站在卡车后面的一个角落里，努力的和突然来自这防滑链带来的情感斗争着，直到我听到了一个奇怪的声音。