—— 请按键盘 空白键 开始游戏 ——

我总是尝试在每个新项目中挑战自己。
I always try to challenge myself with each new project.
The fundamental point in fabricating a chain reacting machine is of course to see to it that each fission produces a certain number of neutrons and some of these neutrons will again produce fission.
质量不是一个项目,而是一种文化。