UNE-EN ISO 3745:2012/A1:2017
声学 使用声压测定噪声源的声功率级和声能级 消声室和半消声室的精密方法 修正案 1(ISO 3745:2012/Amd 1:2017)
Acoustics - Determination of sound power levels and sound energy levels of noise sources using sound pressure - Precision methods for anechoic rooms and hemi-anechoic rooms - Amendment 1 (ISO 3745:2012/Amd 1:2017)