在平面任意力系的平衡条件的基础上，推导出可以由计算机处理的数学模型。
The mathematical model treated by the computer can be deduced for the equilibrium condition of coplanar arbitrary force system.
观察了单腿破断时张力腿平台的平面运动、稳性、张力的重新分配和动力系数。
The TLP plane motion, stability, redistribution of tether force and dynamical factor has been viewed, during the rupture of one leg.
平面汇交力系的解析法是用平面汇交力系的平衡方程计算未知力，其平衡方程最简单，但也最容易出错。
The analytical method of system of plane intercrossing forces is to calculate unknown forces by use of equilibrium equation of plane system of plane intercrossing forces.
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