
ACOUSTICS - DETERMINATION OF SOUND POWER LEVELS OF NOISE SOURCES - PRECISION METHODS FOR BROAD-BAND SOURCES IN REVERBERATION ROOMS
出版:German Institute for Standardisation (Deutsches Institut für Normung)

专家解读视频
ACOUSTICS - DETERMINATION OF SOUND POWER LEVELS OF NOISE SOURCES - PRECISION METHODS FOR BROAD-BAND SOURCES IN REVERBERATION ROOMS
出版:German Institute for Standardisation (Deutsches Institut für Normung)
专家解读视频