This paper studies the nonlinear motion law of a simple pendulum with damping factor.
本文研究具有阻尼因素的单摆非线性运动规律。
An excellent approximate solution of the motion of a nonlinear simple pendulum is obtained by the method of Green's function.
应用格林函数方法，给出了非线性单摆运动的较好近似解。
An excellent approximate solution of the motion of a nonlinear simple pendulum is obtained by the method of Green's function.
应用格林函数方法，给出了非线性单摆运动的较好近似解。
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