USB 1.1 协议详简，对做usb 开发的 可以好好看看。

设计模式之singleton模式例程-model singleton design pattern routines

数据仓库建设参考-reference data warehouse construction

新型电脑针织横机选针器的工作原理及选型设计-New computer flat knitting machine needle selector of the working principle and selection of the design

thes is veer good (ksmoutTool)

SoC系统设计的复杂性，要求更有效的手段来完成仿真，验证及软硬件结合等任务。SoC设计平台应运而生。本文以智原科技的SoCreative! A320设计平台为例，介绍了如何使用SoC设计平台进行快速有效的SoC开发设计-SoC system design complexity, require more effective means to complete the simulation, and the combination of hardware and software validation, and other tasks. SoC Design Platform emerged. Based on the original technology-SoCreative! A320 design platform as an example. on how to use the SoC design platform for the rapid and efficient development of SoC Design

微机原理及接口技术课程设计交通灯程序，多段代码整理-theory and computer interface technology curriculum design traffic lights procedures and code of finishing

MAX II CPLD具有灵活的可编程接口，合并了分立的FLASH存储器件，能快速和容易地配置FPGA，DSP，ASIC等。本中文手册将让用户对CPLD有一个宏观的认识。-MAX II CPLD with a flexible programmable interface, the merger of the separation of FLASH memory, can quickly and easily configure the FPGA, DSP, ASIC, etc.. Chinese manual will allow users to have a macro on the CPLD awareness.

运动控制IC TMC428应用文档，输出步进与方向-Motion Control IC TMC428 application documents, the output step and direction

高速电路越来越普及，EMC和EMI的问题也受到重视．-High-speed circuits is becoming increasingly popular, EMC and EMI problems be taken seriously.

随着现在社会的发展，人们都避免不了要到某些城市去公干或其他的事情。一旦你对这个城市不熟悉，你的出门就会举步维艰。打的，对于一些因公出差的人来说算不了什么，但是对于旅游者或是个人来说就不是很好的选择。-now with the development of society, people should not have to avoid certain cities for business or other matters. Once you are not familiar with this city, you will be difficult to leave home. Fight, some on official business who is nothing, But tourists or individuals is not a good choice.