While seeking the scheme of minimum structural volume in engineering design, the optimization issue ought to be considered at the same time.

在工程设计寻求结构体积最小方案时，应同时考虑啮合角的优化问题。

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In this paper optimum design of planetary mechanisms is worked out taking minimum volume as objective function, and the problem of choosing optimization parameters solved.

本文以最小体积为目标函数对行星机构进行优化设计，解决了最佳参数选择问题。

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