SD设计规范第五章。设计SD时需要参考。

proteus 学习教程，详细介绍了该软件的使用方法，对初学者能够轻松上手-using method of proteus

哈哈 哈哈 啊哈哈 哈哈哈 哈哈哈哈哈哈 -ha ha ha ha ha ha ha ha ah ha ha ha ha ha ha ha Ha Ha

雨林木风 之玩转电脑大全，相信看过之后，对电脑的认识会有很大的提高-Rain Forest Wind Guinness Topsy computer, I believe that after reading the reports, computer literacy will be greatly improved

DY580电路图 DY580电路图-DY580 circuit DY580 circuit schematics DY580

DOS操作指南,DOS系统的安装,恢复误删文件,低格、分区、高格的应对 -DOS-step guide, DOS installation, restore mistakenly deleted files, low-grid, sub-regional, high-cell response

台湾九年半工业工程师学位证书考试资料，复印自台湾中华工业工程师学会工业工程师学位证书考试必修科目范围

华为的内部资料，硬件工程师手册，详细规定了华为硬件工程师的操作规程，很有价值。-Huawei"s internal information, hardware engineers manual detailing the Huawei hardware engineers code, and great value.

web开发常用的帮助文档，包括vbscript，jscript，javascript菜单-commonly used for Web development with the help of documents, including vbscript, jscript. javascript menu

ISO-TS16949-2002(E),汽车行业标准规范，对做体系的工程师非常有用，对从事汽车电子行业的程序员也有参考意义。-ISO-TS16949-2002 (E), the automotive industry standards, the engineers do a very useful system, engaged in auto electronics industry also has reference to the meaning of programmers.

Scan Code Set 3 - Optional PS/2 scan code set--rarely used 第三套扫描码集--可选的PS/2 扫描码-Scan Code Set 3-Optional PS/2 scan code set-- rarely used third sets scan code set-- optional PS/2 scan code