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[线性振动] 聊砍一下“固有频率”.... .. . |
点评
你认可下面的定义?欢迎你尝试一下如何解释或定义“固有频率”?
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发表于 2016-3-5 11:51
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点评
一般性理解. . .
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发表于 2016-3-6 19:38
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