无线传感器网络分层协议中的LEACH算法，简单易懂的描述了LEACH协议的概念，模型，过程，流程图，优缺点等，快速了解LEACH的可以下载看看。
Wireless sensor network hierarchy in the agreement of LEACH algorithm, simple and understandable description of the concept of LEACH agreement, model, process, and flow chart, the advantages and disadvantages, LEACH quickly understand the can download to see. (2012-03-27, PPT, 1381KB, 下载17次)
介绍无线传感器网络tinyos，有需要的朋友可以下载下来看看
this paper introduce the wsn operation system tinyos,and those person who want it can download and have a look it.thougt it is not so all-side,but also can effect to us. (2011-12-20, PPT, 314KB, 下载2次)
3G培训教材，你选择了它，你就和3G世界发生了一次亲密接触~~
3G training materials that you select it, you are like the 3G world has an intimate contact ~ ~ (2010-03-18, PPT, 2098KB, 下载13次)
无线网络的安装和配置:Access Point
简称AP，直译为“无线接入点”，在此我们称作“无线收发器”
Wireless network installation and configuration: Access Point referred to as AP, literally translated as " wireless access point," We referred to as the " wireless transceiver," (2009-03-12, PPT, 3813KB, 下载8次)