"Nuclear Reactor" means any device in which a controlled, self-sustaining fission chain-reaction can be maintained or in which a controlled fission chain is maintained partly by an external source of neutrons.
35. “核反应堆”是指能在其中保持受控制的自持裂变链式反应或部分由外部中子源维持的受控制的裂变链的任何装置。