用一同胚变换将无穷远点转变成原点（初等奇点）。
The method was based on a homeomorphic transformation of the infinity into the origin(linear singular point).
用初等几何方法给出线性函数在无穷远点的保角性证明。
The use of elementary geometry method can give conformal demonstration of lineal function in infinite eigenvector.
首次证明了拟五次多项式系统在无穷远点能分支出7个极限环。
It is the first time that 7 limit cycles can bifurcated from the infinity for a class of quasi quintic system.
文章通过变换，得出关于孤立高次奇点及无穷远点指数分解结论。
Through transforming, some conclusions are given about decomposing index number at higher order isolated singular point and infinite point in this paper.
本文研究了一类三次系统无穷远点的中心条件与赤道极限环分枝问题。
Studied in this paper are center conditions and bifurcation of limit cycles from the equator for a class of cubic polynomial system.
同时还研究了一类五次系统原点的中心条件及在同步扰动下原点与无穷远点的极限环分支问题。
At the same time, the center conditions and bifurcation of limit cycles at the origin of the quintic polynomial system are also investigated.
在第四章和第五章，分别对一类五次系统和七次系统的无穷远点的中心条件和中心积分进行了完整研究。
In Chapter 4 and Chapter 5, complete researches have been done respectively on the center conditions and center integral of a quintic system and a septic system.
在第三章至第六章，我们研究实平面奇数次多项式微分系统无穷远点(赤道)的中心焦点判定与赤道极限环分支。
From Chapter 3 to Chapter 6, the center-focus determination and bifurcation of the equator are studied for real planar odd polynomial differential systems.
正常眼的远点在无穷远处。
正常眼的远点在无穷远处。
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