以往对火灾中伤亡事故的研究往往注重某些单独的环节,对伤亡事故的分析只限于查清一些个别的原因,很容易“只见树木不见森林”,不能通观事故的全过程,因而不能有效地防止类似的悲剧重演。系统安全分析方法则着眼于整个过程,不拘泥于局部的、个别的部份。由于它从诸多因素的相互联系上去研究,所以能够更深刻地揭露伤亡事故发生的本质。 In the past, the research on casualties in fire often focused on some separate aspects. The analysis of casualties was limited to identifying a few individual causes, and it was easy to “see the trees not see the forest” and not to view the whole process of the accident and therefore could not be effective To prevent similar tragedies from happening again. System security analysis is focused on the whole process, not rigidly adhere to the local, individual parts. Because of its interrelatedness of many factors to study, so it can reveal more deeply the nature of the accident.