—— 请按键盘 空白键 开始游戏 ——

Collaboration in mathematics is essential; the exchange of ideas leads to breakthroughs that no single mind could achieve alone.
Those who dream by day are cognizant of many things which escape those who dream only by night.
We wish to discuss a structure for salt of deoxyribose nucleic acid. This structure has novel features which are of considerable biological interest.
我从不回头看,我向前看。
计算机图形学中的挑战在于用数学模型的简单性来模拟现实世界的复杂性。
——二个叔父孙学成、孙观成早年均因为贫穷必须远赴他乡做工谋生,在孙出生前后因病去世,孙看到清朝绩弱不振,受到外国强敌欺侮,增加自己从事反清革命的动机