本底噪声background noise
本底噪声background noise【电子】;noise background【电子】;noise floor【电子】
噪声控制noise control
基线噪声baseline noise
防噪声的noiseshielded
无线电场强信噪比radio field-to-noise ratio【电子】
【运输】减少电动手提敲击工具的噪声noise damping of power-driven, portable percussive tools
爆炸性噪声性聋explosive noise-induced hearing loss