百度网盘为您提供文件的网络备份、同步和分享服务。空间大、速度快、安全稳固，支持教育网加速，支持手机端。现在注册即有机会享受15G的免费存储空间

新浪软件下载栏目向网友提供免费的覆盖面最广、更新频率最高、下载速度最快的软件下载服务。同时，栏目提供丰富的软件资讯、软件教程等内容，新浪软件下载栏目是新浪科技最重要的栏目之一。

Good old Wikipedia, great new look

Facebook is a social utility that connects people with friends and others who work, study and live around them. People use Facebook to keep up with fr...

A web magazine about China

Homepage of System Explorer. Freeware Tool for displaying and managing system internals

AAAI advances the understanding of the mechanisms underlying thought and intelligent behavior and their embodiment in machines.

Flickr is almost certainly the best online photo management and sharing application in the world. Show off your favorite photos and videos to the worl...

Imgur is used to share photos with social networks and online communities. You can also view the funniest pictures from all over the Internet. There