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超市前台收银系统用 c++ 和达梦数据库，包含数据库文件和源代码。(Supermarket front cash register system with c++ and dream up database that contains the database files and source code.)

generate multiple guanssion process signal

利用VB开发工具开发一个疾病诊断系统，可以查询各种疾病的病症。(using)

说明：  VC++ 直接通过ODBC操作读写Excel表格文件的程序，附上源代码(VC ++ program for reading and writing Excel file directly through ODBC operation, with source code attached)

VB以图表形式分析产品价格，其实是显示价格走势，以图表的方式更能清淅的显示价格趋势，每一种商品对应不同的价格走势，Vb编程者，可以此为参考，研究一下VB中坐标图和填充图表的实现方法，对显示分析一些表格型数据相当实用。(VB graphically analyze product prices, in fact, is displayed prices, more clear mission to graphically display trends in prices, each corresponding to a different kind of commodity price movements, Vb programmer, may use this as a reference, look in VB plot filled with charts and implementation methods for the analysis of some tabular display of data quite useful.)

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这个是演示采用UDP协议进行P2P打洞对话原理的演示程序,参考的资料是:1)P2P 之 UDP穿透NAT的原理与实现（附源代码）--http://www.cnpaf.net/Class/hack/0512182034513804825.htm2)王艳平

最新的borland社区聊天的客户端程序-latest community chat client

windows int IRQ3中断是使用(windows int IRQ3 interrupt is using)

本人收藏的一套成熟且经典的小型邮件发送系统，适合开发OA的朋友使用。-collection of a mature and the classic small-mail delivery system suitable for the development of OA friends use.