噪声等级 meaning in English
noise grade
noise level
Examples
- Test method for noise quality of film - type resistors
膜式电阻器的噪声等级试验方法 - Maximum permissible ambient noise levels for audiometric test rooms
试听室最大可允许的环境噪声等级 - Measurement and assessment of aircraft noise ; determination of rating level of aircraft noise exposure
飞机噪声的测量和评定.飞机发射噪声等级的测定