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[结构振动] [求助]求动力响应时,激振力为复数是什么意思? |
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发表于 2006-3-16 20:34
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发表于 2006-3-17 10:26
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发表于 2006-3-17 18:02
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发表于 2006-3-27 19:33
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回复:(jaffen)[求助]求动力响应时,激振力为复数是...
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