Acoustic emission source localization的用法和樣例：
例句
- In a radio tube there is a source of electrons.
在電子管中，有一個電子發射源。 - 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.
聲發射源與接收訊號感測器間的距離以及環境雜訊的電平是選擇頻帶的主要依據。
