核电站甚至以可能性极小的假想的最严重事故作为安全设计的依据，并加以纵深层层设防，确保安全。实际上发生最大假想事故的可能性较小。
热心网友
核电站甚至以可能性极小的假想的最严重事故作为安全设计的依据，并加以纵深层层设防，确保安全。实际上发生最大假想事故的可能性较小。 The Nuclear Power Plant is thoughtfully designed to undertake the severest imaginary accidents that almost impossible to happen, fortified in depth to ensure (guarantee) safety. Therefore, the possibility of imaginary accidents occurring is almost nonnegotiatable (tiny).