DIN EN ISO 3745 E:2010 声学 使用声压确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(ISO/DIS 3745:2010) 草案
Draft Document - Acoustics - Determination of sound power levels and sound energy levels of noise sources using sound pressure - Precision methods for anechoic and hemi-anechoic rooms (ISO/DIS 3745:2010); German version prEN ISO 3745:2010