通过分析相应特征方程根的性质，给出系统稳定的一个充分条件。

By studying the properties of roots for the corresponding characteristic equation, the sufficient conditions under which the equation is stable are given.

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本文利用特征方程根的性质，研究了开口圆柱薄壳精确微分方程的特征方程的渐近解。

Using the root of the characteristic equation, this paper studies the asymptotic solution of the characteristic equation of the open circular cylindrical thin shells.

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首先，通过对系统线性化方程的特征方程根的分布分析，给出了滞量对系统稳定性影响的具体结论和公式。

First locally linearizing nonlinear system at equilibrium to investigate show stability of system, obtain some practicability conclusions and formulas.

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