自治系统

In this paper,by using the comparison theorems and constructing suitable Lyapunov function, the sufficient conditions are obtained for the permanence and existence of globally asymptotically stable positive periodic solution of the system.

研究了具有反馈控制的n种群非自治周期竞争系统的持续性，利用微分不等式并构造适当的Lyapunov函数得到系统存在惟一、全局吸引的正周期解的充分条

Multi-agent system is a distributed autonomous system, it is a set of a great number of self-government-agent group.

多智能体系统是一种分布式自主系统，是由多个自治智能体组成的智能体"社会"。

In this paper, an Autonomous Cooperative System for flexible control of high speed sorting systems is presented.

本文自治合作社为柔性控制系统的高速分拣系统。

In order to overcome the shortages, a distributed and autonomous computer forensics system was presented.

针对目前取证系统的时效性不足和通信瓶颈等问题，提出了一种分布式自治型计算机取证系统。

Being more intelligent, easy of integration, friendly in man-machine interactivity and adaptable to dynamic environment, this new controller fits in well with cellular manufacturing systems with characteristics of distribution, autonomy, coordination and cooperation in control and changefulness in organization.

这种新型控制器具有更高的智能、良好的集成性、友好的人机交互以及强的动态适应能力，很好地适应了敏捷单元化制造系统中各制造单元之间分布自治、协同合作的生产控制特点和动态多变的组织特点，为制造系统集成和多单元、多地点协调协作提供了良好的技术基础。

Routh-Hurwitz is used to determine that the characteristic equation has negative real root, and Center-Manifold theorem is used to study the stability of autonomous differential system in the case of hyperbolic and non-hyperbolic at the equilibrium point.

利用Routh-Hurwitz判定特征方程有负实部根，并利用中心流形定理研究了自治微分系统在平衡点处双曲和非双曲情况下的稳定性，由此产生系统趋于不同稳定点时病毒分裂的临界值，同时利用数值模拟验证了分析的合理性。

The author constructs LREO by Protg,by establishing metadata namespace,defining relations among LREO elements,showing ontology view of LREO and giving access methods.The author constructs LRSDG with the help of Grid platform GT4,which implements system's monitoring and management,data synchronization testing and data analyses of user access.The author also constructs LRSS using Sakai,which provides user authentication,distribution of competencies,interactive collaboration and co-evolution in the ecosystem.

g开源本体工具建构了学习资源生态本体，包括建立元数据命名空间，定义LREO元素和元素间关系，呈现LREO本体视图，并给出了本体语义访问方法等；利用网格平台GT4实现学习资源自治管理环境LRSDG，包括LRSDG的系统监控管理、同步数据性能测试和用户访问情况数据分析；用开源Sakai系统建立了学习资源的服务共享环境，实现了学习资源服务共享环境中的用户认证、权限分配以及协作交互与协同演化等功能。

The sufficient conditions for guaranteeing the permanence of the system and the existence and uniqueness of periodic solution having globally asymptotical stability are obtained by using the extremum principle,fixed point theorem and V function method s together.

讨论一类具 Holling 类功能反应和放养的捕食链非自治扩散系统，应用极值原理和不动点定理及 V函数法，得到该系统的一致持久性以及存在唯一全局渐近稳定周期解的充分条件。

This paper presents an adaptive and scalable Web search system,based on a multi-agent reactive architecture,which draws inspiration from biological researches on the ant foraging behavior.Its target is to search autonomous information on particular topics,in huge hyper textual collections,such as the Web,exploiting the outstanding properties of the agent architectures.

受蚁群觅食行为仿生研究和蚁群系统模型理论所启发，提出了一种基于蚁群计算模型的分布、协作多主体（multi-agent）反应架构的自适应、可伸缩的Web搜索系统模型，其由大量智能主体组成，利用智能主体架构的优异特性，旨在从巨型超文档集合中自治地搜索特定主题的信息，从而为用户提供迅捷的信息检索服务。

This thesis is devoted to singular point quantities and integrability conditions of complex polynomial differential systems with resonant singular point, and center-focus determination and bifurcation of limit cycles of planar polynomial differential systems.

在第二章中，对具p∶-q共振奇点的复自治多项式微分系统引入广义奇点量的概念，它是文[103]中奇点量概念的推广，它以在实平面多项式微分系统的中心焦点判断与极限环分支中有着极为重要意义的焦点量和鞍点量作为特例。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。