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[动力学和稳定性] 一个关于塔架的固有频率的问题 |
发表于 2009-6-7 13:51
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发表于 2009-6-10 22:12
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发表于 2009-6-22 10:48
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回复 楼主 sunshenyi 的帖子
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发表于 2009-6-22 15:08
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质量太重还是刚度太低
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发表于 2009-12-27 10:17
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