In this paper, the inverse force analysis of planar three spring system is studied using numerical continuation. All static equilibrium positions of the system is obtained.

将连续法引入机构动力学，研究了平面一般三弹簧系统的静力逆分析，得到了该系统的全部平衡位置。

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Then the formula of transverse internal force in the dam is determined by equations of static equilibrium.

然后根据静力平衡条件，确定坝袋断面内力的公式；

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Then the formula of transverse internal force in the dam is determined by equations of static equilibrium.

然后根据静力平衡条件，确定坝袋断面内力的公式；

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