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[声学基础] 声音相差多少分贝人耳才能明显辨别出来?? |
发表于 2009-9-11 10:05
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发表于 2009-9-25 08:55
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发表于 2009-9-28 13:24
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回复 6楼 hhhjjjhwc 的帖子
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发表于 2009-10-5 11:10
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发表于 2009-10-5 15:43
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