考察具有一对共轭纯虚数特征值的二维非线性临界解析动态系统的局部渐近稳定性。
The locally asymptotic stability of a 2-dimension nonlinear analytic dynamic system with a pair of conjugated imaginary eigenvalues is studied.
获得了解的整体存在惟一性，并给出了非平凡平衡解局部渐近稳定性易验证的充分条件。
The global existence-uniqueness of solutions is obtained and the easy verifiable sufficient conditions for local asymptotic stability of a non-trivial steady-state solutions are given.
根据模型中状态反馈模块和时滞反馈模块的不变性特点，通过构造合适的迭代映射，研究了饱和区域内平衡点的存在性、个数以及局部渐近稳定性。
With the help of FEM numerical simulation method, the performance of cooling towers in terms of stress, displacement and local elastic stability due to aerodynamic loads are examined.
根据模型中状态反馈模块和时滞反馈模块的不变性特点，通过构造合适的迭代映射，研究了饱和区域内平衡点的存在性、个数以及局部渐近稳定性。
With the help of FEM numerical simulation method, the performance of cooling towers in terms of stress, displacement and local elastic stability due to aerodynamic loads are examined.
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