... 感觉限 threshold of feeling 可闻限 threshold of hearing 发光限 threshold of luminescence ...
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短语
可闻限度
audible limit
可闻限下频率
sub-audible frequency
正常可闻限
threshold of audibility normal
可闻底限
threshold of audibility
可闻低限
threshold of audibility
可闻频率下限
lower limit of hearing
-
threshold of audibility
threshold of hearing
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