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[结构振动] 请教大家一个问题,有关多自由度简化为更少自由度的计算。 |
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发表于 2011-3-21 18:00
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发表于 2011-3-21 19:16
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发表于 2011-3-22 00:26
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发表于 2011-3-22 00:28
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发表于 2011-3-22 08:33
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