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[结构分析] 计算矩形板固有频率的意义是什么呢? |
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发表于 2009-10-17 10:39
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矩形板的固有频率的实际意义
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发表于 2012-3-17 10:57
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抱歉我不用QQ,论坛基本每天都来,有问题愿意在这里讨论. . .
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