self-limiting chain reaction

Material which is capable of producing energy by a self-sustaining chain reaction of nuclear fission.

一能由原子核分裂之自续连锁反应而产生能量之物料.

The chain reaction is self-sustaining.

连锁反应是自持的.

During the 30s and 40s of the last century atomic physicists discovered the fission of uranium nuclei bombarded by neutrons and realized the first self-sustaining controlled fission chain reaction, which ushered in the atomic age.

20世纪三四十年代，原子物理学家们发现中子轰击铀原子核的裂变现象并首次实现可控裂变链式反应，把世界带进了原子能时代。

1942-Manhattan Project: A team led by Enrico Fermi initiate the first self-sustaining nuclear chain reaction.

1942年曼哈顿计划：一支由恩里科·费尔米率领下的小组启动了第一条自给核反应链。