同时考虑了气门初始间隙以及由此产生的冲击现象，并研究了凸轮轴刚度、摇臂支座刚度及凸轮升程高阶频率对气门运动规律的影响。

Further more it also investigates the influence of the stiffness of CAM shaft and rock arm supporter and the high order frequency of CAM profile on the dynamic response of valve system.

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本文在阐述摇臂在导管架下水后的运动特点的基础上，首次进行了摇臂回转撞击驳船尾部甲板的研究。

Based on the trait of the motion of the rocker arm after jacket launching, the impact of the rocker arms on the barge was firstly studied in this paper.

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