The sufficient and necessary conditions for the global asymptotic stability of the equilibrium point of the nonlinear circuits are obtained by vector comparison method.
利用向量比较原理，得到了确定非线性电路平衡点全局渐近稳定的充分必要条件。
An accurate method for slope stability analysis is provided in this paper, with which the equilibrium of force and moment, and the yield conditions on the sliding plane will be reached.
本文对一般性边坡，给出了满足力与力矩平衡及滑动面上屈服条件的稳定性的精确分析方法。
Through building a differential dynamic model which describes interaction among interest-group, this paper discuss the conditions of existence and stability of equilibrium of the model.
本文通过建立一个描述利益群体相互作用的微分动力模型，讨论了其均衡解的存在和稳定性条件。
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