—— 请按键盘 空白键 开始游戏 ——

Understanding the computational complexity of learning problems is essential for developing efficient algorithms.
Every mathematical problem is a window into a new world of understanding.
There can be no permanent progress in the battle against hunger until the agencies that fight for increased food production and those that fight for population control unite in a common effort.
买本家乡或区域的最新版旅游指南。像游客一样去了解(熟悉的环境)信息,你会学到很多东西。
Understanding the behavior of complex systems requires a new kind of thinking, one that embraces uncertainty and unpredictability.