Nuclear reactors are protected by what plant designers call "defence in depth".
设计者声称核反应堆在“纵深防御”[2]下会得到保护。
2
Now the strategy of the NRC in term of defense in depth is obviously first of all design the plant such that accidents are prevented.
现在NRC关于纵深防御的策略,很明显是所有的电站设计的第一个,这样就能防止事故的发生。
3
Site hydrology assessment includes investigations into other areas like soils, depth requirements for aquatic organisms, wetland plant communities, etc.