| 1. | The chaotic motion of simple pendulum
单摆的混沌运动
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| 2. | By this device with an intelligent system composed of at89s52 single chip microcomputers , the period of a simple pendulum and the gravity acceleration can be measured automatically and displayed clearly
其测量法年夫优于传统的手工方法：该装置是一种低成本，高精度的单摆实验装置。
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| 3. | Abstract : the phase photograph of a simple pendulum is discussed . two methods of calculating the nonlinear pendulum period is given with the phase orbital properties and the action variation
文摘:对单摆运动相图作了必要的讨论，赋予相图以直观的几何意义，并由单摆相点运动特性以及引入单摆系统作用变量两种方法求出了单摆系统的运动周期
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| 4. | By means of the analysis on motion equation of simple pendulum , a method for testing the moment of inertia of a complex shaped rigid - body moving around a fixed axle under the condition of not knowing the barycentric position of the object was obtained
摘要通过对单摆运动方程的分析，得到了未知物体质心位置条件下测试复杂形状刚体绕定轴转动惯量的方法。
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| 5. | The seemingly simple pendulum is adorned , look conscientiously , also there is an organic whole that takes shape , calm , steady and thick , take a simple and unsophisticated space aesthetic feeling , looking out a little , will in fact find the change of life , not painstaking
看似简单的摆饰，认真一瞧，却也有一体成形，稳重厚实，带点古?的空间美感，稍加留意，会发现原来生活的变化，无须刻意。
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| 6. | According to the designing plan , the mathematical model of spherical pendulum is more simplified in two aspects , and the results we get has the same form with the mathematical model of simple pendulum . then a rule of kinematical of pendulum in relative coordinate is gotten
本文根据方案中遇到的主要工况将球面摆的数学模型进一步简化为两个主运动方向上的摆动的运动微分方程，简化结果与单摆的数学模型一致，得到了摆锤在相对坐标中摆角的变化规律。
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