“product noise standard”的概念、定义、翻译、参考文献-科学参考

单词	product noise standard
释义	product noise standard Encyclopedia 工学产品噪声标准释 product noise standard产品噪声标准为减少产品使用中噪声对环境以及使用者的影响，促进产品质量提高，对产品的声音排放特性指标所作出的法规性技术规定。通常用A计权的声功率级或声压级表示，需要按规定的方法进行测量。
随便看	completed home values complete diagram complete differential complete digraph complete direct product complete direct sum complete disjunction complete distributive lattice complete distributive law complete distributivity complete divisor complete domain Completed Works by Duan Keji and Duan Chengji Completed Works of Baizhai Completed Works of Li Changji Completed Works of Wang Tingyun Completed Works of Xu Xuan Completed Works of Yuan Haowen complete eclipse complete eclipsing binary complete edition Complete Edition of Poetries in Pre-Qin, Han, Wei, Jin, Northern and Southern Dynasties complete elliptic integral complete elliptic integral of the first kind complete elliptic integral of the second kind

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