志村簇的研究是几何、代数和数论的汇合点。
中心地的六边形排列是最大限度减少出行距离的最有效方式。
缺乏一个强大的国家对自由的威胁比存在一个强大的国家更大。
The true potential of computer science is realized when it is applied to solve real-world problems.
Education’s rewards are too distant when today’s survival is urgent.