事故的发生是具有客观规律性的。通过长期的研究和分析,安全专业人员已总结出了很多事故理论,如事故致因理论、事故模型、事故统计学规律等。事故的最基本特性就是因果性、随机性、潜伏性和可预防性。(1)因果性。事故的因果性是指事故是由相互联系的多种因素共同作用的结果,引 The occurrence of an accident is objective and regular. Through long-term research and analysis, safety professionals have summed up many accident theories, such as accident cause theory, accident model, and accident statistics. The most basic characteristics of accidents are causal, random, latent and preventable. (1) Causality. The accidental causality refers to the fact that an accident is caused by the interaction of many factors