非线性条件 meaning in English

nonlinear condition

The stability and bifurcation condition of rotor system are obtained and the way to improve system stability and reduce the vibration amplitude through adjusting system parameters is indicated ; 3 ) the strong nonlinear dynamic characteristic of high - speed rotor system is studied . the movement trend of system and the effect of system parameters to dynamic characteristic are indicated . the deference of the strong / weak nonlinear system and the unique characteristic of the strong soft - nonlinear system are pointed out ; 4 ) the bifurcation behavior of nonlinear rotor system is studied and the parameter region when chaos phenomenon is appeared is obtained in bifurcation and chaos theory
研究了系统的稳定性条件和发生分岔的条件，提出了通过改变参数来提高系统稳定性和抑制振幅的方法； 3 ）运用强非线性理论研究了轻型高速转子系统在大扰动条件下的强非线性主共振和1 / 3亚谐共振的动力学特性，给出在强非线性条件下系统的运动趋势和系统参数对系统动力学特性的影响，并进一步指出强/弱非线性系统、软/硬非线性系统的区别以及强软非线性系统的独有特性。