At the beginning of the first chapter the derivation from the Lagrange and Hamilton to the motion equation of a charged particle in magnetic fields in classic mechanics is presented.
论文的第一章是基础理论，一开始是推导经典力学中的单个带电粒子在电磁场中的运动方程，分别从拉氏量和哈密顿量推导。
The jerky motion of electric current may be described by three-order Lagrange equation.
三阶拉格朗日方程可以用来描述电流猝变运动。
Detailed analysis of forces received by motion platform is done by using Newton-Euler and Lagrange methods synthetically.
综合运用牛顿—欧拉方法、拉格朗日法对运动平台受力情况进行了详细分析。
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