对向运动
Analysis of the movement and design of in-and-out movement cam mechanism
凸轮抓片机构的运动分析和设计计算
Dynamic Balance Calculation of High-Speed Pickup Camera In-and-out Movement
高速摄影机抓片机构的动平衡计算
One of important factors contributing to the powerful and long-drawn-out movement in literary revivalism by the revivalists in Ming Dynasty is that they took a firm stand in literary ontology.
明代复古派之所以能够发动声势浩大、旷日持久的文学复古运动,其中一个重要因素是该派始终坚持文学本体的立场。
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