—— 请按键盘 空白键 开始游戏 ——

制造链式反应机器的基本点当然是确保每次裂变产生一定数量的中子,其中一些中子将再次产生裂变。
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.
The future of marine fisheries lies in international cooperation and sustainable practices.
The strength of a company lies in the integrity of its materials and its people.《Leadership in Extraction》
Lock up your libraries if you like; but there is no gate, no lock, no bolt that you can set upon the freedom of my mind.
The study of Shimura varieties is a meeting point of geometry, algebra, and number theory.