The definitions of the isochronous center and the quasi-isochronous center at infinity for differential systems are introduced.

To construct a progression at infinity as an expansion of function in the continuous interval, a good result was achieved.

给出了一种不含导数的函数展开方法，在函数的连续区间内构造一个无穷级数作为函数的展开式。

The Limit of the Integrand of Convergent Abnormal Integral in the Infinite Range of Integration at Infinity

收敛无穷限反常积分被积函数在无穷远处的极限

Anti-de sitter space, although it is infinite, has a boundary, located out at infinity.

反德西特空间虽然无穷大，却有个位于无穷远的边界。

An indirect method is used to study bifurcations of limit cycles at infinity for a class of seventh-order polynomial differential system.

运用一种间接的方法研究了一类七次系统在无穷远点的中心条件和极限环分支问题。

Nonstandard characteristic of functions vanishing at infinity

无穷远点为零函数的非标准特征

Objective: To explore a new techique to approximately standardize the reference electrode of scalp EEG recordings to a point at infinity.

目的：探讨一种可以把头皮脑电活动（EEG）记录中的参考电极位置近似地转化到无穷远点的新技术。

The Regular Embedded Ends and the Maximum Principle at Infinity

正则嵌入端与无穷远极大值原理

The conclusions for structure of critical point at infinity, global structure and more advanced ones, are obtained.

同时对该生化反应系统无穷远奇点的性态进行了分析，得到了全局结构的相图。

The Centers and Quasi-isochronous Centers at Infinity for a Class of Differential Systems

一类微分系统无穷远点的中心与拟等时中心

Feedback invariants of general dynamic systems are discussed especially in case at infinity.

研究一般动态系统的反馈不变量问题。

We defined it in such a way0 that the potential energy at infinity is zero.

无穷大处的势能，等于，这样的结果就是。

On the residue computing formula for functions at infinity

关于无穷远点处的残数计算公式

In Chapter 4, we investigate the thermal stresses in a functional graded material plate with a circular hole under uniform heat flux at infinity.

第四章研究含圆孔功能梯度板在均匀热流作用下板内的二维热应力问题。

The Dirichlet problem at infinity for harmonic function on Riemannian Manifolds

流形上调和函数关于无穷远边界的Dirichlet问题

The bifurcation of limit cycles at infinity for a class of cubic polynomial systems was studied in the paper.

研究了一类三次系统无穷远点的极限环分支问题。

At infinity, there's no stored potential energy, and it drops off more and more negative as one over R.

在无限远处，没有储存的势能，并且它向负方向减少，当距离超过R时。

In addition, in my many years of asset management and operational experiences, I have seen a great number of innovative business models, and successfully invested in these companies.

此外，本人在多年的金融投资和企业管理的工作实践中接触了大量的具有新型商业模式的企业，也成功地投资了几家该类企业。

Motivated by innovative business models, most of smart phones carries open software platform, the mobile phone users can download and use mobile phone applications through the platform.

受到创新的商业模式驱动，如今的智能手机大多搭载了开放的软件平台，用户可通过手机软件平台下载、运行手机应用。

On the basis of this analysis, the clear issue of this paper: E group need to integrate customer resources and production resources through innovative business models and unified service platform.

在此基础上明确本文需要解决的问题：E公司需要通过创新商业模式，探索发展新的业务，打造统一服务平台来有效整合客户资源和生产资源。

Run Sinopec lubricant in the series, with innovative business ideas, professional technical support and high standards of service quality, won the general customers trust and support.

中润石化集团润滑油脂系列产品，以创新的经营理念、专业化的技术支持和高水准的服务质量，赢得了广大客户的信任与支持。