研究方法：文献资料法，动态优化分析法，实证研究方法。

Methods of literature consultation, dynamic optimization analysis and empirical study were employed.

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用动态规划法进行了优化分析。

Optimum analysis is made by dynamic programming method.

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有限元优化分析目标可以支架重量为最小的优化目标，还可以对支架固有频率、阻尼比等有关支架系统的动态特性参数进行目标有限元优化分析。

Finite element analysis may aim at minimum weight of framework. Also it can optimize the natural frequency, damp rate, and other parameters related to dynamic characteristics.

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有限元优化分析目标可以支架重量为最小的优化目标，还可以对支架固有频率、阻尼比等有关支架系统的动态特性参数进行目标有限元优化分析。

Finite element analysis may aim at minimum weight of framework. Also it can optimize the natural frequency, damp rate, and other parameters related to dynamic characteristics.

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