noise level

噪度级，噪声电平，噪声级，噪音度，噪音水平

同：	[n.] background level

Noise level monitor
噪声监测仪收藏
Noise control is the techniques used to maintain noise at a level low enough to avoid disturbing people or machinery in the vicinity.
噪音控制是使噪音减少的技术。要把它减少到不影响附近的人和机器的程度。噪音是不受人们喜欢的声音。收藏

the amplitude level of the undesired background noise
[同] background level, noise level

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