flanking sound transmission
Sound Transmission
声音传播
语音传输
声传递
声透射
声线传播
声传输
近场声透射
表面声道
透声
sound transmission coefficient
Sound transmission loss
声透射损失
声能传递损失
隔空气声隔声量
传播损失
传声损失
隔声量
optical transmission material
a sound mind in a sound body
AC transmission line parallelly erected with DC transmission lines
core material and filter material joint anti-perme
material evaluation of gas standard material
material quota material
6 dB sound beam full wall thickness overlap area