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课程设计（电子商务系统） 对于典型的数据库管理系统，尤其是对像电子商务这样的数据流量特别大的网络管理系统，必须要满足使用方便、操作灵活等设计需求。本系统在设计时应该满足以下几个目标：  采用人机对话的操作方式，界面设计美观友好、信息查询灵活、方便、快捷、准确、数据存储安全可靠。  全面展示商城内所有商品，并可展示最新商品及特价商品。  实现网上购物。  商品销售排行，以方便顾客了解本商城内的热销商品及帮助企业领导者做出相应的决策。  查看商城内的公告信息。  对用户输入的数据，系统进行严格的数据检验，尽可能排除人为的错误。  系统最大限度地实现了易维护性和易操作性。  系统运行稳定、安全可靠。 -Course Design (e-commerce system) for typical database management system especially for e-commerce such as the flow of data is particularly large network management system must meet the user-friendly, operational flexibility design needs. In the design of the system should meet the following objectives :

热电联产是既能生产电能又能生产热能的先进的能源利用方式，本论文介绍世界热电联产的发展趋势-Combined heat and power production are not only energy but also the production of advanced thermal energy use, introduce the world of this thesis the development trend of cogeneration

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Visual C++编程技巧之 1.如何获取应用程序的实例句柄? 2.如何通过代码获得应用程序主窗口的指针? 3.如何在程序中获得其他程序的 图标? 4.如何编程结束应用程序?如何编程控制windows的重新引导? 5.怎样加栽其他的应用程序? 6.确定应用程序的 路径 7.获得各种目录信息 8.如何自定义消息 -Visual C programming skills one. Application procedures for obtaining handle two examples. How the code was in the main application window to the three pointer. how the proceedings were other procedures icon 4. How to end application programming how to control windows programming guide the re-5. how to increase the planting of other applications 6. Application procedures for determining the Route 7. access to directory information 8. how to customize the news

本文分别深入讨论了C++与Java的异常处理机制。比较了C++与Java的异常匹配处理，异常类继承体系与异常处理代码的区别，并且讨论了异常对象的生存周期与存储方式。最后，在其基础上构想了异常处理机制的发展方向。 -In this paper, in-depth discussion of the C++ and Java exception handling mechanism. Comparison of C++ and Java exceptions match the handling, exception class inheritance system and the difference between exception handling code, and discussed the life cycle with the exception object is stored. Finally, based on the idea of exception handling mechanism of development direction.

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