| 释义 |
low-frequency noise
基本例句
低频噪声
In sound recording,a low frequency noise usually produced by regular variations in the speed of a system's mechanical component.录音技术中的一种低频噪声，通常由于系统机械部件的速度有规律变化而引起。
Study on subjective annoyance and control method of indoor low-level andlow-frequency noiseand it's control.室内窄频带低频噪声烦恼度与治理对策研究。 |