low-frequency noise的用法和樣例：
例句
- In sound recording,a low frequency noise usually produced by regular variations in the speed of a system's mechanical component.
錄音技術(shù)中的一種低頻噪聲，通常由于系統機械部件的速度有規律變化而引起。 - Study on subjective annoyance and control method of indoor low-level and low-frequency noise and it's control.
室內窄頻帶低頻噪聲煩惱度與治理對策研究。
