掩蔽: screen; shelter; cover; mask; blanket; hide; defilade; audio masking; aural masking; ensconce 短语和例子掩蔽目标 cover up the object; keep from sight; 这个土丘可做我们的掩蔽物。 the mound can be used as our scr
The research and development of masking sound system 掩蔽声系统的研究与开发
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Standard test method for evaluating masking sound in open offices using a - weighted and one - third octave band sound pressure levels 用a加权和1 3倍频带声压级评价敞开式办公间掩蔽声的标准试验方法