连接架轴向载荷可以大幅提高太阳翼的侧摆振动频率；
The axial load in the tripod of the solar array can increase the swaying frequency largely.
利用拉格朗日方程建立了耦合摆的矩阵方程，对失调耦合摆振动进行了分析；
Through the Lagrange's equation, the matrix equation of coupled pendulums is established, the vibration of disorderly coupled pendulums is analyzed;
通过实时记录摆球的位置，得到了不同初始条件下，弹簧摆振动的位移曲线、能量曲线和摆球运动的轨迹。
The graphs for the displacement, energy and the trajectory of the bob are gotten by recording the position of the bob in real time under different initial conditions.
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