PowerPCB教程精简版，适合初学者使用

基于AT89C52温湿度监控系统源代码，已经调试过，绝对可用-AT89C52 Based Temperature and humidity control system source code, has been commissioning, absolutely free

windows SDK 编程，里面每章都有完整的代码，是学习SDK编程的好帮手。-programming windows SDK, which are each devoted to a complete code study SDK programming are a good helper.

站的高看的远 多思考人脑与计算机的不同点与相同点 对于自身也有更多认识-Look at the high points far to think more about the human brain and computer different points with the same points are also more aware of their own

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小波分析理论及MATLAB7实现的例程,第18章 小波变换在故障诊断中的应用-Wavelet analysis theory and realize MATLAB7 the routines, Chapter 18 Application of Wavelet Transform to Fault Diagnosis

MPEG4标准文档中的第二部分，视频部分，非常好，对想研究视频的同志非常有用。-MPEG4 standard documentation for the second part, video, very good, right to it on the video"s very useful.

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制作ACTIVEX文档容器编程代码-production ACTIVEX containers programming code files

CSDN上的优秀SQL编程代码集 这些SQL语句不是原创，均是本人从CSND上收集来的。由于时间关系，其中少量SQL语句的确性没有验证。 本文档对初学SQL Server的人很有帮助，其内容涵盖了触发器、作业、角色、备份还原、导入导出、游标、安全、索引排序、日期操作、XML、统计、交叉表、文件存储、分页、等等 -CSDN excellent SQL programming code set these SQL statements are not original, are I learned from the CSND collected. Because of the time, in which a small amount of SQL statements is true of the absence of a certification. This document for beginner SQL Server people helpful, its content covers the trigger, operations, roles, backup and restore, import, export, cursor, security, index to sort, date operations, XML, statistics, cross-tables, file storage, paging, etc.

初学者的良师益友。其中包括C的全部教程。-beginners mentor. Including the full C Directory.