A cubic polynomial system with six limit cycles at infinity;
一个在无穷远点分支出6个极限环的三次多项式系统
Limit cycles of infinity in a quintic polynomial system;
一类五次多项式系统无穷远点的极限环(英文)
Isochronous center conditions and limit cycles at infinity for a class of fifth systems;
一类五次多项式系统无穷远点等时中心条件与极限环分支
Singular point quantities and center conditions at the infinity for a class of cubic polynomial system;
一类3次多项式系统无穷远点的奇点量与中心条件
This paper studied the center conditions at the equator for a class of cubic polynomial system with no singular point at the infinity.
研究了一类三次系统无穷远点的中心条件。
Center conditions and bifurcation of limit cycles at the infinity for a class of quintic polynomial system were studied.
研究一类五次多项式系统无穷远点的中心条件与赤道极限环分支。
In this paper,some rules about infinite point of complex variable functions are discussed.
无穷远点既具有普通点的某些共性,更具有其独特的个性。
From the research we can conclude that the plume of the infinite point to the conic is diameter,and they all pass the center.
根据既是共轭又互相垂直的直径对有心二次曲线(双曲线椭圆)进行建模研究,建立了有心二次曲线和类似建立了无心二次曲线(抛物线)主轴方程的模型,推证得知,任意无穷远点关于二次曲线的极线都是直径。
Through transforming,some conclusions are given about decomposing index number at higher order isolated singular point and infinite point in this paper.
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。
It is proved that the limit of the integrand f(x) of convergent abnormal integral in the infinite range of integration at infinity is zero on certain conditions.
证明了在一定条件下,收敛无穷限反常积分的被积函数f(x)在无穷远处的极限是零,在f(x)或xf(x)单调的条件下,还得到了更好的结果。
THE DETERMINATION OF CENTER-FOCUS AT THE INFINITY FOR A CLASS OF POLYNOMIAL DIFFERENTIAL SYSTEM;
一类多项式微分系统无穷远点的中心-焦点判定
Discussion of Fractional Lineal Transformation in Conformal Infinite Eigenvector;
分式线性变换在无穷远点保角性的讨论
The Method for Calculating Residue of Rational Function at Infinite Pint and Its Application;
有理函数在无穷远点的留数求法及其应用
In this article, the center conditions, isochronous center conditions and bifurcation of limit cycles at infinity for a class of fifth system are investigated.
研究一类五次系统无穷远点的中心、拟等时中心条件与极限环分支问题。
The far point of a normal eye is at infinity.
正常眼的远点在无穷远处。
Infinite Critical Point of Z_6-equivariant System;
Z_6等变系统的无穷远奇点(英文)
Necessary and Sufficient Conditions of One Infinite Singular Point of Quadratic Systems;
(E_2)恰有一个无穷远奇点的充要条件
Curves running from the origin to infinity may serve as branch cuts.
从原点至无穷远处的曲线起分支割痕的作用。
Structrue of Critical Point at Infinity and Global Analysis on Certain Quartic System;
一类四次系统的无穷远奇点结构与全局分析
Analysis and Calculation of Structure of Infinite Pole in Singular System;
广义系统的无穷远极点结构的分析与计算
Research on Infinity Point and Limit Cycle of a Nonlinear System
一类非线性系统的无穷远奇点及极限环
the vista spread seemingly to infinity.
景色似乎延伸到无穷远
The Derivate of the Function with Finite Limit at the Infinite Point;
在无穷远处有有穷极限的函数的导数
) Also, some forms of splines have singularities where the curve veers off into infinity.
）样，一些形式的曲尺有奇异点，在这里曲线转向无穷远。
Notes On Infinity And Infintesimal;
关于无穷小与无穷大关系的一点注记
Infinite things go on and on and on, forever.
无穷的东西是永远永远继续下去的。
In time of adversity, not one amongst twenty.
富在深山有远亲，穷在闹市无人问.
For all humans desire at one point to be immortal, not to be forgotten.
人的欲望总是无穷,永远不会被忘却.