21997| 94
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[线性振动] 液体有没有固有频率? |
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发表于 2008-10-17 16:34
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发表于 2008-11-10 09:05
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有
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发表于 2008-11-10 22:03
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发表于 2008-11-13 12:33
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发表于 2008-11-13 19:02
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两个观点貌似都不严密。。
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发表于 2008-11-16 10:16
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发表于 2008-11-20 08:14
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