这是一本很好的电子书

不错的技术资料，一种新的穿透防火墙的数据传输技术。-good technical information, a new firewall penetration data transmission technology.

这本书是关于C陷阱与缺陷的，对想进一步熟悉c语言的人来说，这是一本不错的读本。-This book is about C traps and defects, the right would like to become more familiar with c language, people, this is a good readers.

gardnertimingdetector,时序检测的文章 很适用,ieee上的收费论文-gardnertimingdetector, timing detection article is applicable, ieee papers on charges

最新的Lin总线协议，在汽车电子中胜过CAN总线，性能优越，发展潜力巨大-latest Lin bus protocol, the automotive electronics than CAN bus, superior performance, has tremendous potential for development

OPENH323源码分析openh323的pdf。-OPENH323 source analysis openh323 the pdf.

aw - test-driven development by example.rar-aw- test-driven development by example.rar

本文从VoIP相关知识入手，介绍了IP电话的软硬件结构设计及实现方案，并描述了IP电话基于SIP的呼叫流程，并通过设计杂项的方式详细描述了系统中的几个关键点。内容仅供大家参考，更详细内容可参见源代码，源代码是最好的老师。-In this paper, starting from the VoIP-related knowledge, introduction of IP telephony hardware and software design and realize the structure of the program, and describes the IP phone based on SIP call flow, and through the design of miscellaneous manner described in detail the system of several key points. Content for your reference, more details can be found in the source code, source code is the best teacher.

java 开发手册，比较全面的，很实用，适用于java开发人员

好不容易找到的很好的原版英文材料值得精读的文章-Very good material worthy of intensive reading original English articles

PDIUSBD12详解_中文版,很不错的资料-Detailed PDIUSBD12 _ the Chinese version, it is good information