level of noise meaning in Chinese

噪声度
噪声级
噪音值

Determination of sound power levels of noise emitted by metal - cutting machine tools
金属切削机床噪声声功率级的测定
Method of sound power levels of noise emitted by household sewing machine head
家用缝纫机机头噪声声功率级的测试方法
The study of worker ' s personality trait due to exposure to high levels of noise
强噪声对作业人群个性特征影响的研究
Engineering method for the determination of sound power levels of noise sources using sound intensity
根据声音强度测定噪声源声功率级的工程方法
Acoustics - determination of sound power levels of noise sources - guidelines for the use of basic standards
声学.噪声源声强级的测定.基础标准用指南

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