波导类光开关以其高速的特性将在全光交换系统中得到广泛应用，因此研制高性能的波导型光开关单元有其重要性和迫切性。
Due to high switching speed, waveguide optical switch will be applied widely to optical switching systems. It is urgent and important to develop waveguide optical switch with high performance.
应用非线性系统的定性理论方法，对一类军事竞争系统进行了定性分析，研究了系统平衡点的性态，证明了系统在全平面不存在闭轨线。
The paper is devoted to nonlinear analysis of a military contest system. The nature of equilibrium points is studied. The nonexistence of closed orbit in real plain is proved.
应用非线性系统的定性理论方法，对一类军事竞争系统进行了定性分析，研究了系统平衡点的性态，证明了系统在全平面不存在闭轨线。
The paper is devoted to nonlinear analysis of a military contest system. The nature of equilibrium points is studied. The nonexistence of closed orbit in real plain is proved.
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