acoustic emission source location

• 声发射源

acoustic emission source location的用法和样例：

例句

1. In a radio tube there is a source of electrons.
   在电子管中，有一个电子发射源。
2. 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.
   声发射源与接收讯号传感器间的距离以及环境噪声的电平是选择频带的主要依据。