本文研究具有阻尼因素的单摆非线性运动规律。
This paper studies the nonlinear motion law of a simple pendulum with damping factor.
本文以一个载满沙子的圆锥表漏斗作为单摆，研究沙子漏出过程的运动周期，从而给出此时变质量单摆的周期变化规律。
This paper studies a cone with leaking as a pendulum and the period of its sand leaking movement and gives out the period changing rule of the variable mass pendulum.
用相图法分析讨论了有阻尼无驱动单摆的运动规律。
The paper discusses the law of the damping-without-drive simple pendulum motion through phase-graph method.
用相图法分析讨论了有阻尼无驱动单摆的运动规律。
The paper discusses the law of the damping-without-drive simple pendulum motion through phase-graph method.
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