单词	夫瑞内
释义	夫瑞内Frenet
随便看	noise profile noiseproof noise pulse noise quieting sensitivity noise radar noise radiation noise rating noise rating curve noise rating curve {=nrc} noise rating number noise ratio noise receiver noise record noise rectifier noise reducer noise reducing antenna system noise reduction noise reduction by absorption noise reduction coefficient noise reduction factor noise reduction--noise abatement noise reduction rating noise reduction rating {=nrr} noise reduction system noise reduction；noise abatement