Coursera公开课
Coursera We just released an internationalized version of Coursera. If you want to switch back to English, please set your Language.... www.coursera.org
- 2013-11-17 - 收藏
可汗学院Khan Academy
Learn for free about math, art, computer programming, economics, physics, chemistry, biology, medicine, finance, history, and more. Khan Academy is a nonprofit with the mission of providing a free, world-class education for anyone, anywhere.
- 2013-11-17 - 收藏
国治模拟精品屋(绿色站)
绿色环保站，免费提供:街机游戏,家用机游戏,掌机游戏,单机游戏,模拟器,PC游戏,经典游戏,怀旧游戏,电脑游戏,模拟器游戏,游戏录像,游戏图片,攻略秘籍。本站是我个人出资建立的网站，希望能够为各种经典的游戏提供一个回忆、展示的平台，让经典的电子游戏作品更广泛的被大家珍藏。
- 2013-11-16 - 收藏
