很好很实用的介绍关于用例图的文章，挺全面的。

本文介绍了在Visual Basic6.0环境下采用“自上而下地总体规划，自下而上地应用开发”的策略开发一个管理信息系统的过程。通过分析某一学校学生管理的不足，创建了一套行之有效的计算机管理学生的方案。文章介绍了学生管理信息系统的系统分析部分，包括可行性分析、业务流程分析等；系统设计部分主要介绍了系统功能设计和数据库设计及代码设计；系统实现部分说明了几个主要模块的算法， 本系统界面友好，操作简单，比较实用。-This paper describes the environment in Visual Basic 6.0 adoption of the "top down overall planning, Application to the development of bottom-up "strategy to develop a management information system process. By analyzing a school student management deficiencies, create a set of effective management of student computer programs. This paper introduces the student management information system analysis, including feasibility analysis, business process analysis; system design some of the major functions of the system design and database design and code design; System explains some of the major modules of the algorithm, the system friendly interface, simple operation, more practical.

PHS服务模块详细设计_展讯平台 用c开发因为手上还没拿到另外一部分 这只是一部分 大家先-PHS service module detailed design _ c Spreadtrum platform development because the hands have not got the other part of this is only part of you first

超声波文件和程序资料，，非常的实用，，大家喜欢的可以多多的下载-Ultrasound documentation and information on the procedures, very practical, we love deserves more downloads

这是一个ATM取款机的UML设计图形，有一些可看的价值-This is an ATM cash machines in UML design of graphics, there are some to watch the value of

ppt 软件工程 好好用吧 很好用的 呵呵 下载吧-ppt for se it is useful please download it

实时操作系统_uCOS-II 的教学课件，比较难找，是北京英倍特公司的培训资料。-real-time operating system _uCOS-II courseware, quite difficult times British Beijing is the special training materials.

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校园地图导航，用C语言开发，环境Borland C。此系统包括校园地图构建，校园建筑物标注及目的地选择功能，系统可自动查找最优路径，可直接运行使用的系统