standing sound wave

基本解釋

So if you're standing in front of the ultrasonic sound wave, you can hear the sound.
所以如果你站在超音速聲波的前面，你能聽(tīng)到聲音。
In standing wave method, the sound is not perfect standing wave, so the swing is not zero at wave knot.
駐波法中形成的聲場(chǎng)不是理想駐波場(chǎng)，且波節(jié)處振幅不為零。
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.
經(jīng)過(guò)分析，發(fā)現(xiàn)突出試驗(yàn)段壁上的流線型腔與突出的矩形腔在氣流中被激振蕩相似，存在著其頻率與流速無(wú)關(guān)的腔中液體聲共振譜峰；