—— 请按键盘 空白键 开始游戏 ——

化学不仅关乎你能制造什么,还关乎你如何制造它。
我为胜利而比赛,第二名只是第一个输家。
不光染丝是这样,国家也会被染。 
The ultimate goal of machine learning is to make machines that can learn from experience and improve their performance over time.