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算法导论，编程必备权威参考资料-algorithms, programming references required authority

图片识别程序,得到图象的长度和宽度,得到验证码-Picture identification procedures, the length and width of images, the Verification Code

FPGA特殊管脚说明-special note

详细讲述GAMIT软件的安装及使用方法，具体到每条命令，所需文件的格式-To describe in detail the GAMIT software to install and how to use specific to each command, the format of the required documents

计算机网络（清华版第四版）习题答案。全部详细答案-Computer Networks (fourth edition Tsinghua) Exercise the answer. Full details of the answer

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VOIP培训教材-VOIP training teaching material

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视频捕捉API源码-video capture source API

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