中国移动的彩色环网，包括大量的中国。

中国移动的彩铃方案，包括全国多个地区，介绍全面。-china mobile s color ring network,include lots of china province.

提出了一个基于嵌入式Linux系统的智能电话信息终端,将计算功能和电话功能有机地结合起来。通过在S3C2410嵌入式开发板上移植ARM Linux嵌入式系统,并配置各种驱动程序,构造图形用户界面,同时利用开源项目来开发各种应用程序,因此该终端不但能提供基本的个人信息管理和电话呼叫管理等功能,还能实现浏览器、电子邮件和MSN Messenger等网络功能,从而使电话机成为一个方便实用、功能强大的智能信息终端。-Proposed a system based on embedded Linux smart phone information terminals, the calculation function and telephone function combine. Through the embedded development board S3C2410 transplant ARM Linux embedded system, and configure a variety of drivers, graphical user interface structure, while the use of open source projects to develop various applications, so the terminal will not only provide basic personal information management and telephone call management features, but also realize the browser, e-mail and MSN Messenger and other network functions, so that phone into a convenient and practical, powerful, smart information terminals.

USB 1.1 协议详简，对做usb 开发的 可以好好看看。 -USB 1.1 protocol detailed briefing on the development of the so usb be a good look.

某220KV区域性变电所一次系统设计。主变为2×120MVA，电压比为220/121/10.5KV，容量比为100/100/50，本期工程一次建成，设计中留有扩建的余地。-220KV substation of a regional one system design. Main becomes 2 × 120MVA, voltage ratio 220/121/10.5KV, the capacity ratio of 100/100/50, the current project once completed, the design leaves room for expansion.

Boost电原理图，开关电源有时候会用到该电路，可参考其计算变量-Boost electrical schematics, switching power supply can sometimes be used in the circuit, refer to the calculation of variables

这个是关于构建校园网页面电子邮件系统的一个方案 或者可以说成毕业论文都可以 -is on the website- building campus e-mail system or a program that can be as dissertation

社区管理信息系统的设计与实现,与一些相关的资料-Community Management Information System Design and Implementation, with some relevant information

一个完整的MP3设计方案，包括原理图和PCB，对这方面有兴趣的可以-err

基于GSM的时分复用概念的介绍以及集中经典算法的简介。-Based on GSM introduce the concept of time-division multiplexing, as well as focus on the classical algorithm was introduced.

现场总线转以太网设计方案。对现场设备的串行物理接口能进行数据通信-Fieldbus Ethernet switch design. On-site equipment to the physical interface serial data communications