computationalgeometry

人脸识别原理介绍 有一些算法介绍 并附加图解 适合初学者(language：English from university of British)

《Python+Cookbook》第三版中文(Python Cookbook V3.0)

本手册提供规划安装、安装、调试、使用和维修传动所需的信息(This manual provides information needed for planning installation, installation, commissioning, use and maintenance of the transmission)

Csdn刷下载积分工具,请慎重使用.后果自负(Csdn brush tool to download Points)

C++中级培训教材,中高级水平教材，值得一看(C++ Intermediate training materials, high-level teaching materials, worth a visit)

abaqus子程序详细教程，非常经典，对新手帮助很大(A subroutine of abaqus detailed tutorial, very classic, a great help for beginners)

TF卡内部通信协议7816中文版,TF卡编程必须(TF card internal communication protocol 7816 Chinese version)

得来不易的电磁场的课件 电气工程必看的课件之一(Courseware is not easy to electromagnetic fields)

ICL7660是一款不错的正压变负压的稳压芯片，这里提供中英文资料各一份(ICL7660 is a good positive change negative regulator chip, the information provided here in English A)

this is a book on nine free programs every pc should have.