acoustic emission source location的用法和樣例：
例句
- In a radio tube there is a source of electrons.
在電子管中，有一個(gè)電子發(fā)射源。 - The distance between the acoustic-emission source and the receiving transducer, and the background noise level are primary factors in selecting a particular frequency band.
聲發(fā)射源與接收訊號傳感器間的距離以及環(huán)境噪聲的電平是選擇頻帶的主要依據。
