分析转动悬臂梁的自由振动问题，通过综合运用解析法和数值方法解决悬臂梁振型函数过于复杂的问题。
Based on the analytical and numerical method, free vibration of the cantilever beam with rotating motion is analyzed.
在引入辅助图形的基础上，运用解析法计算异型钢管的孔型，并借助计算机进行辅助设计，可提高运算速度和精度。
Based on the related sketches, pass design for the welded shaped steel tube can be obtained with analytics. Aided with computer, computing speed and accuracy can be enhanced.
本文运用解析法，对双动压力机多连杆机构进行了运动分析，并对PD 4 - HH - 800 + 600拉延压力机进行了实际计算。
By means of analytic method, motion analysis of many links mechanism in double-action press was studied, and the practical calculation for PD4-HH-800 + 600 drawing press was worked.
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