The swing doors had moved in diminishing pendulum movement, and now there was nothing but molecular reverberation, one step up from the imaginary.
弹簧门的摇摆幅度慢慢减小了，从假想的层面上更进一步，现在空气中只剩下了四下回荡的分子运动。
The ideal simple pendulum movement is not practical though it is simple, and the practical case comes from the correction and improvement of the ideal case.
理想的单摆运动虽然简单却不实际，实际情况需要在理想情况的基础上进行修正和改进。
As an approximate method, with the trigonometric function, the simple pendulum dynamical equation is simplified, and the approximate formula for the period of simple pendulum movement is presented.
利用三角函数作为一种近似方法，对单摆的动力学方程进行了简化，给出了大角度条件下单摆运动的周期的近似公式。
As soon as that movement swings a pendulum, nimble freely.
那动作一摇一摆，灵活自如。
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.
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。
The study on movement performance of impact pendulum is of great value to the analysis of the impulse coupling process of laser propulsion.
冲击摆运动特性研究对于激光推进冲量耦合过程的分析具有重要价值。
The study on movement performance of impact pendulum is of great value to the analysis of the impulse coupling process of laser propulsion.
冲击摆运动特性研究对于激光推进冲量耦合过程的分析具有重要价值。
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