介绍了一种平面杆系结构自由振动的解析解法。
The analytic method for the free vibration of plane frame structure is presented.
本文提出了弹道式飞行器自由飞行轨道的解析解法。
In this paper an analytic solution of free flight trajectory of ballistic vehicle is presented.
不同类型的常微方程可以采用解析解法或者数值解法。
When solving different ordinary differential equations, we may take the analytical solution or numerical solution.
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