楼主: 唐嘉龙
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求助:锤击法测固有频率 |
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发表于 2012-3-17 21:20
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发表于 2012-3-30 13:24
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发表于 2012-3-30 14:21
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点评
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刚体没有固有频率和振型,那有测得到问题. . ..
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