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。
What a thing is the heart of man!
经验是一所好学校,但学费很高。
I write to understand, to grasp the reality that escapes me.
基金业绩来来去去。成本永远持续下去。
You may have to fight a battle more than once to win it.
"The only thing that is truly meaningful is connection."
Innovation in oil extraction isn't optional—it's a necessity for sustainability.