系统功能

We gain conditions for persistence for three-species of the system and global asymptotic stability for positive periodic solution of the system.

研究了一类具有扩散系数和 Holling 类功能反应的一捕两食三种群非自治捕食系统，得到了系统持久生存和周期系统存在唯一全局渐近稳定的周期解的条件。

This paper consists of three parts:We first consider the non-autonomous predator-prey system with both Beddirigton-DeAngelis functional response and dispersion. By using comparison theorem of differential equation, we study the permanance of the system. After that, by constructing suitable Lyapunov function, we obtain some sufficient condition which guarantee the existence of globally asymptotically stable almost periodic solution of the system.

本文研究三方面的内容：第一部分考虑具有扩散和Beddington—DeAngelis功能反应的捕食-食饵系统，利用微分方程比较原理得到该系统一致持续生存的条件；通过构造适当的Lyapunov函数得到了该系统存在全局渐近稳定概周期解的充分条件。

The paper analyses the objects and characteristic of the archives management of the electronic power attemper enterprise, the function and the meaning, the cataloging method and working flow under the combination of practice.

对实现系统中重要功能的技术进行了讨论比较，利用面向对象的思想，作者对电子档案管理系统进行了设计，给出了系统的混合结构模型。

The main points of this paper are as follows:(1) The actuality and the deficiency of the current workflow technology is analyzed according to the expatiating on the workflow technology.(2) A workflow model supporting the dynamic modifying and its implementation arithmetic and an implementation method using the OO technology is proposed according to the Directed Graph theory.(3) The strategy of dynamic modifying of workflow model is researched, a improved conversion strategy is proposed, and the detailed process of dynamic modifying is discussed.(4) Having researched on the construction scheme of digital campus based on URP and the workflow of office business, an OA system model based on dynamic workflow technology was proposed according to the workflow management system model and several typical functions of OA workflow management system were realized, which is of high value on improving the autoimmunization of business operation and the cooperating work ability.

论文的主要内容如下：(1)通过对工作流技术的全面阐述，分析了目前工作流技术发展的现状和不足，为自己的研究工作划定了问题域范围；(2)利用有向图定义了一个支持动态修改的工作流模型，并给出了该模型的执行算法，给出了该模型利用面向对象技术的一种实现方法；(3)详细讨论了工作流模型的修改策略和方法，提出了一种改进了的转换策略，并给出了动态修改操作的具体步骤；(4)在深入分析基于URP的数字校园建设方案以及办公工作流程的基础上，结合工作流管理系统参考模型，提出了基于动态工作流技术的OA系统模型，实现了OA工作流管理系统中几个典型的功能，对提高业务处理自动化，提高协同工作能力具有重要的应用价值。

The system is based on the design characteristics of the small - to-day work of a property management system, systems for information management, maintenance management, equipment management and cost management at the core and auxiliary functions to statistical data, the realization of the small systematic management.

本系统是根据小区日常工作特点设计出的一个物业管理系统，系统以资料管理、维修管理、费用管理和设备管理为核心，并辅助以数据统计功能，实现小区内工作的系统化管理。

For the open style controlling system, the controlling system nased on the PMAC is built. The layered step-up controlling system flatform is inplemented. Based on the control demand of the welding position,speed and stabilization, the three rings servo system that using the position as the external ring , the current as the internal ring and the speed as the centre ring. Using the Borland C++ builder 6.0, the PComm32PRO from Delta Tau and the SQL Server as the data bank engine.

在Borland C++ builder 6.0开发环境下和Delta Tau提供的PComm32PRO动态链接库，采用了功能强大的SQL Server作为数据库管理引擎，开发开放式专用焊接机器人系统的控制软件平台，主要包括以下模块：系统设置模块、状态监控模块、运动控制模块、专家系统模块、数据管理模块、在线指令模块和通讯模块。

Finally, the modes of hydraulic and baric brake system are researched, and the FTA of function faults for baric brake system is built. It shows that the results are consistent to automobile brake system fault fact.

最后，建立了液压制动系统常见故障模式的故障树，重点对气压制动系统的功能失常故障进行FTA研究，并通过编写相关的计算机程序实现其FTA定性和定量分析，结果表明与汽车制动系统实际故障情况吻合。

Basing on the framework of the system and system processes to determine the functional modules of the system.

在此基础上提出了系统框架和系统流程，确定了系统的功能模块。

This article described the design concept for full automation control system of bell anneal furnace in terms of systematical and interface aspects.

本文从系统和接口等方面描述了罩式炉全自动控制系统的设计，并以罩式炉L2系统为主线，介绍了其功能的实现。

In this paper,we propose a remote video surveillance system architecture based on ARM and DSP,which divides the hardware into two modules.The main control module based on Philips LPC2114 is used to control the system,and the video image processing module based on Blackfin ADSP-BF533 is used to compress MPEG-4 video streams,and transmit the video streams in network.

本文提出了一种基于ARM和DSP的远程视频监控系统的体系结构，该体系结构将硬件分为两大模块，以Philips LPC2114为中央处理器的系统控制模块主要完成系统的控制功能，以Blackfin ADSP-BF533为中央处理器的图像处理模块主要完成MPEG-4视频流的压缩及自适应网络传输。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。