—— 请按键盘 空白键 开始游戏 ——

The most important thing in science is not to solve problems, but to ask the right questions.
电子系统中的拓扑保护概念是一个深刻的见解,它连接了抽象数学和实用物理学。
Agricultural modernization is not just mechanization but the intelligent upgrading of the entire industrial chain.
If you do not believe in yourself, no one else will.