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[声学基础] 如何对应振动频率与噪音频率? |
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发表于 2007-4-15 14:20
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发表于 2007-4-15 21:33
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发表于 2007-4-16 09:14
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发表于 2007-4-16 10:50
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发表于 2007-4-16 22:27
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发表于 2007-4-17 10:24
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回复 #1 layman 的帖子
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发表于 2007-5-5 16:49
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回复 #7 layman 的帖子
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发表于 2007-5-8 15:56
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电机的振动频率
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发表于 2007-7-3 09:43
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