卡通小闹钟源代码，vc++编写，是学习vc的好例子

文回顾与评述了三维GIS的相关发展情况，探讨了三维GIS的有关基本问题，如数据获取、大数据量存贮与处理、三维空间分析，同时指出科学计算可视化、数据库系统管理、数字影象处理等技术的成熟和二维GIS长期发展提供的理论实践经验等为三维GIS的发展提供了良好的基础。最后为三维GIS实际系统的开发提出了几个值得注意的要点。-In this paper,the review and comment on the development of 3 dimension GIS are first made.Then the basic aspects about 3D GIS,such as data acquisition,storing and processing of mass data,analysis of 3D space,are discussed.Meanwhile, it points out that the techniques such as scientific computation visualization,database system management and digital image processing,and theories and experiences provided by development of 2D GIS offer a better platform form the development of 3D GIS.Finaally,some key points in developing practical system of 3D GIS is proposed.

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适合C++初学者的小程序,学习如何在窗口上使用键盘和鼠标.-For C++ Beginners small procedures, learn how to use windows keyboard and mouse.

图书馆综合管理系统软件适用于单位图书馆，学校图书馆，图书租借机构的超级图书管理软件，是您管理图书的最佳帮手。方便借书、还书、查找等操作。方便添加图书、管理图书、管理用户。提供完善的借书和还书操作，完全独立的数据库系统，数据管理为您提供：借阅管理、入库管理、销售管理、库存管理及其书目管理。图书馆综合管理系统在实施后，应能够达到以下目标： ● 实现多点操作的信息共享、相互之间的信息传递准确、快捷和顺畅。 ● 系统采用人机对话方式，菜单提示，界面美观友好、信息查询灵活、方便、快捷、准确、数据存储安全可靠，实现了开架借书，加强了图书流通管理。 ● 提供完善的借书和还书操作，完全独立的数据库系统。 ● 系统最大限度地实现了易安装性、易维护性和易操作性。 ● 数据保密性强，记录数据只能由本人及上级查询，每个用户权限可设置级别级，有利于用户安全操作使用。 ● 系统有严格的纠错功能，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。 ● 内部业务操作数据量大、处理时效性强。-Integrated library management system software for the unit libraries, school libraries, books, book rental agencies super-management software is the best helper you manage books. Convenience of borrowing, but also books, to find such an operation. Easy to add books, management books, management of users. Provide a sound library and book operations, completely independent of the database systems, data management, to provide you with: Lending management, storage management, sales management, inventory management and bibliographic management. The impleme

信号与系统试验代码-signal and system test code

一个程序，主要解决窗口不能切换的问题 -A program, the main window can not switch to solve the problem

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读取dwg文件的dll,这是一个开源的项目。有源码的定期维护-a dll that can read/write dwg file format.

此代码是在wince 5.0操作系统上运行的,通过串口控制手机模块上网,打电话-This code is running on wince 5.0 operating system, and through the serial port control module上网phone, call

Javascript:双人小游戏-Javascript : Double small game