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
The nuclear power plant even use the most terrible imaginary accident which will happen in infinitesimal possibility as the basis of the safety design .And make it safe in depth,insuring security.As a matter of fact,the possibility of the imaginary accident is infinitesimal.差不多哦