利用“局部常化”方法给出了一个精度较高的单摆周期公式。
A more precision formula for the period of a simple pendulum is obtained by using the method of variable be partly fixed.
从理论上分析了单摆的角振幅对其周期的影响，并给出了单摆周期的精确计算公式。
From theoretically, the influence of the angular amplitude of simple pendulum on its period is analyzed, and the accurate calculation formula of the simple pendulum period are given.
构造了单摆大振幅振动的高精度解析逼近周期和周期解。
Analytical approximate periods and periodic solutions to large amplitude oscillation of a simple pendulum are constructed using a new method.
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.
应用线化和校正方法，研究了单摆的非线性振动，作出了周期比和相对误差随摆角的变化曲线。
The vibration of the nonlinear pendulum is studied by means of linearization and correction method, the curves of the period ratio and the relative error is plotted.
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 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.
在实验中就要测定单摆的摆长，然后测定此摆长时的振动周期。
So in experiment we should measure the length of single pendulum, then get the period of oscillation in this condition.
根据简谐运动的周期公式，得到单摆的周期公式。
According to the cycle formula of simple harmonic vibration, the cycle formula of simple pendulum could be figured out.
通过单摆装置可以方便地研究单摆的振动周期与摆长关系和测定当地的重力加速度。
Using the single pendulum, we can research the relationship between the period of oscillation of it and the length of it and measure local acceleration of gravity.
根据振动理论建立了零部件单摆振动周期和转动惯量的关系，给出了实际测量方法。
Methods According to vibration theory the relationship between the period of a torsional pendulum and the moment of inertia of a part is established and the test method is given.
根据振动理论建立了零部件单摆振动周期和转动惯量的关系，给出了实际测量方法。
Methods According to vibration theory the relationship between the period of a torsional pendulum and the moment of inertia of a part is established and the test method is given.
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