sound masking 中文意思是什麼
sound masking
解釋
聲掩蔽-
The research and development of masking sound system
掩蔽聲系統的研究與開發 -
Standard test method for evaluating masking sound in open offices using a - weighted and one - third octave band sound pressure levels
用a加權和1 3倍頻帶聲壓級評價敞開式辦公間掩蔽聲的標準試驗方法
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