UNE-EN ISO 3747:2011 聲學(xué) 使用聲壓確定噪聲源的聲功率級(jí)和聲能級(jí) 在混響環(huán)境中原位使用的工程/調(diào)查方法(ISO 3747:2010)
Acoustics - Determination of sound power levels and sound energy levels of noise sources using sound pressure - Engineering/survey methods for use in situ in a reverberant environment (ISO 3747:2010)