The computing method of differential throttling and the analytical process of thrust vector of inner nozzle and plug were introduced. The generated moments of pitch were given.
介绍了差分流量调节的计算方法和内喷管与塞锥推力矢量变化的分析过程，计算产生的俯仰力矩。
The analytical formula of track deformation under a single wheel load has been deduced by establishing the track vibration differential equation.
本文通过建立轨道振动微分方程，得到单轮作用下轨道变形的解析表达式。
The analytical conditions that the fractional-order differential systems remain chaotic are obtained by analyzing the stability of the fixed points of the systems.
通过分析系统不动点的稳定性，得到分数阶微分系统存在混沌的解析条件。
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