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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.
You want to be the pebble in the pond that creates the ripple for change.
如果你想飞翔,就必须放弃拖累你的东西。
Quality is not a luxury; it is a necessity.
It is time to effect a revolution in female manners - time to restore to them their lost dignity.