制造链式反应机器的根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.
世界上充满了神奇的事物，耐心地等待着我们的智慧变得更加敏锐。
The biggest room in the world is the room for improvement.
Disordered systems are not just noise to be eliminated; they contain profound truths about nature.