... 听力计 audibility meter (=audiometer) 可听范围 audibility range 可听底限 audibility threshold ...
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range of audibility [声] 可听范围 ; 听觉范围 ; 可闻距离 ; 闻距
limiting audibility range 听闻极限距离
audibility frequency range 可听频区
range of normal audibility 正常听觉范围
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