introduce TDAC and MDCT/IMDCT in the audio codec etc.

降低PCB设计的成本，从原理图到layout-Reducing PCB design costs

VB编写的企业管理系统-VB prepared by the Enterprise Management System

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

电子实用经验,每个同行都是必须面对的,好经验大家共享.-electronic practical experience, each peer must face are the experiences we share.

E680i_Java_ME_Developer_Guide,为什么不支持中文文件名呢?-E680i_Java_ME_Developer_Guide, why do not support Chinese file name it?

该文件包含电机驱动芯片L298的详细应用原理说明和电路。-Motor Driver IC L298 detailed description and application of the principle circuit.

MT8880拨号参考资料 -Dial-up reference MT8880

这篇文章分析阐述了crt lcd led三者的区别，三者的发展史以及不同的使用范围。-This article analysis on three crt lcd led the distinction, as well as the history of the development of three different scope of use.

移动通信GPT测试规范,中国移动GPRS所使用的标准.-GPT testing mobile communications standard, China Mobile GPRS use standards.

《走进IBM小型机世界》，一个可以帮助入门者认识IBM小型机的资料。 -" Minicomputer IBM into the world" , one can help beginners understand the IBM minicomputer information.