介绍QGIS的中文教程,是初学GIS的很好的参考手册.

射频电路设计，大牛的著作，初入门者必看的设计资料-RF circuit design, the cow works, the early entry of design information are a must-see

有关JAVA的电子书籍对入门者有所帮助。-electronic books to help beginners.

信息安全1关于密码学-an information security on cryptography

USB1.1协议文档，是中文的，很实用的，PDF-USB1.1 protocol document, in Chinese, and very practical, PDF

经典的C语言书籍，深入了解C的绝佳途径，对c的各个方面都有深入讲解-The classic C language books, in-depth understanding of C, an excellent means for c-depth briefing on the various aspects

java入门必读-java entry reading

手机电视的介绍文档，希望对大家有所帮助。手机电视接着又会是手机的另一个亮点-Introduction of mobile TV documents, and they hope to be helpful to everyone. Mobile TV and then the phone will be another bright spot

Struts2・0API参考手册开发指南

Software Development in C: A Practical Approach to Programming and Design 软件开发：编程与设计（C））――国外经典教材・计算机科学与技术 这本书的所有代码-Software Development in C: A Practical Approach to Programming and Design Software Development: Programming and Design (C))- foreign classic textbook of computer science and technology of this book all the code

ACE自适配通信环境程序员教程，介绍ACE结构以及各进程的访问与调用-Adaptive Communication Environment ACE Programmers Guide, the structure of ACE, as well as introduce the process of access and call