英语语法分析

The existence and relevant theorems of Homoclinic orbits for another generalized Lienard system are obtained.

本文得到了另一广义系统，的同宿轨的存在条件及其相关定理。

Section 4 investigates homoclinic tangles of the perturbed system and gives the partitions of the parameter space.

第四节研究了扰动系统的轨道的同宿穿插并给出了参数空间的分割。

This is the first time to discuss homoclinic solutions for difference equations, some satisfactory results are obtained.

这是首次研究差分方程的双向渐近解的存在性并获得了满意的研究成果。