近期，重大、特大事故如此频繁、如此集中地发生在如此短暂的一个时期内，在建国以来的几十年里是极其罕见的。当我们怀着沉重的心情去解剖事故并分析事故发生的原因时，我们的心灵不能不再次受到震憾：因为这些事故的发生，绝大多数属于人为的灾难，也即是说，这些重大、特大 In the recent past, such major and superficial accidents have been so frequent and so concentrated in such a short period of time that it was extremely rare in the decades since the founding of the People’s Republic. When we dissect the accident with heavy heart and analyze the causes of the accident, our hearts can not but be shocked again: for most of these accidents are man-made disasters, that is to say, these major, Extra large