• This article brings forward the design method of modern long-haul education system for information retrieval.

    提出了高等学校信息检索现代远程教育教学系统设计方法

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  • Modern design method of the running mechanism of planetary wheel is introduced in this article.

    介绍行星轮式行走机构设计

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  • Modern design method of the running mechanism of planetary wheel is introduced in this article.

    介绍行星轮式行走机构设计

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