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In the present work,the existence and uniqueness results aboutperiodic boundary value problems for different kinds of the nonlin-ear periodically perturbed nonconservative systems are establishedthrough the discretization technique,under suitable assumptions,by using global inverse function theorem and result about the ex-istence and uniqueness of periodic solution for nonhomogeneouslyfirst order linear periodic boundary value problem.

本文的第一章概述了在讨论原问题解的存在唯一性过程中以及构造和分析相关的数值求解方法时将要用到的全局反函数定理、有关矩阵特征值的若干重要引理、线性常微分方程非齐次周期问题解的存在唯一性定理和单参数影射方法及有关结论，并简单回顾了已有的证明非线性微分方程周期边值问题解的存在唯一性的方法，其中包括谱理论、最大最小化形式方法、摄动技术和全局反函数理论方法，最后，介绍了两类数值求解非线性微分方程问题的方法。

The SI source is an array of microhotplates fabricated by microelectromechanical systems process. Besides as an ionizer, this source acts as an ion grid which can be used to inject ions into the drift region of drift tube periodically.

表面离化源为采用微机电系统工艺加工的微热板阵列，除了作为离子产生器，还作为漂移管的一个离子栅，用以实现离子向漂移区的注入。

Test periodically as required by local jurisdictional authorities.

根据当地主管部门的要求进行定期检测。

Visit customer periodically, listen to their advice, predominate the process flow of our product at customer's place and related principal and linkman

定期走访客户，听取客户建议，掌握公司产品在客户处的加工流程及相关的负责人、联系人

For this purpose, a (single-threaded) benchmark program written in a low-level language is executed (308-322), such as at the startup or periodically.

出于此目的，诸如在启动时或者周期性地执行(308-322)以低级语言编写的基准程序。

As part of the program, Lown Scholars may also return to Harvard periodically for short-term stays of one week to several months to continue collaborations.

作为该项目的一部分，获得奖学金的学者或需定期返回哈佛进行一周至数月不等的短期访问，以继续与学院的合作。

That is to say human scoiety is periodically changing, and can be divided into three times, which is also called "three stages" in Manicheism.

就是说人类社会也是呈周期性变化的，在一个大的周期中基本分三个阶段，也有摩尼教称为"三际"。

They have one thing in common: compare the development of human society to the process of human beings growing up, to demonstrate the periodically changing of scoiety, then conclude the process as three times, also called "three stages" in Manicheism.

就是说人类社会也是呈周期性变化的，在一个大的周期中基本分三个阶段，也有摩尼教称为"三际"。

Yet, periodically, politics is dominated by lies. This seems to be one such time. The fixation of commentators and practitioners with them is telling, though not mainly about mendacity.

然而，政治总是时不时的被谎言所统治，正如这次发生的那样，虽然大部分的关注和谎言无关，评论员们和撒谎者们对于谎言"热爱"还是非常显著。

In Japan, Pure Land Buddhism became the people's version of Buddhism and periodically spawned millenarian movements (movements that looked for the establishment of an earthly paradise).

在日本，净土宗，成为人民版的佛教，并定期衍生出千禧年运动（运动，寻求建立一个人间天堂）。

His female bullfighter Lydia gradually Health love, but she was in a vegetative state after the Bulls Zhuangcheng away from her, just because Lydia's ex-boyfriend showed more affectionate than he is like love.

他对女斗牛士莉迪亚渐生爱意，却在她被公牛撞成植物人后离她而去，仅仅因为莉迪亚的前男友表现出好似比他更深情的爱。

I know of none which are not easy to answer, but what I am trying to do now is only by a series of hints to throw some light on the narrow path of legal doctrine, and upon two pitfalls which, as it seems to me, lie perilously near to it.

我不认为有什么难以回答的问题，但我现在要做的仅仅是通过一系列线索，来给法律理论的狭窄路径以及在我看来离它近得危险的两个陷阱提供一些启示。