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说明：  简单的集合的并与交集运算程序，由c语言编写。(Simple set of procedures with the intersection operator by c language.)

在Debian上deb包的简易安装程序 (Deb package on Debian Installer Easy )

打开Url，C#经典编程实例源码，很好的参考资料。(Open Url, classic instance of C# programming source code, a good reference.)

Free books abouth programming the 8051 microcontroller

Star SP320s Users Manual.pdf Star SP320s打印机开发手册，路桥收费开发必备(Star SP320s Users Manual)

youtoo.sip电话详细源程序代码...里面赋有详细的说明过程以及使用说明..有利于SIP客户端的开发(youtoo.sip telephone detailed source code ... which are endowed with detailed description of the process so that Note .. used to SIP Client Development)

说明：  C#实现一个模仿CAD画图的简单程序，直线，椭圆，矩形等(C# Implement a Simple Program to Imitate CAD Drawing)

qt串口助手，能接收和发送数据，能对接收的数据绘出曲线(QT serial port assistant, can receive and send data, can draw curves for received data)

pdf操作类库，可以合并pdf编译出的dll可以直接引用到其他工程，该版本开源证书LGPL(Pdf operation libraries that incorporate PDF compiled DLLs that can be directly referenced to other projects, this version of the open source certificate LGPL)

MIPI协议，详细注明mipi接口是怎么接受信号，处理信号(MIPI protocol, specify in detail how the Mipi interface receives and processes signals)