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中文摘要：
为给事故预防与调查提供有效方法和依据,运用信息科学与安全科学方法,开展多级安全信息不对称所致事故模式研究。基于信息流动的一般模型,构建安全系统中安全信息流动的一般模型;分析安全系统中引发安全信息不对称的因素,并构建＂信源-预测-决策-执行＂多级安全信息不对称的事故致因模式;根据事故案例,分析验证多级安全信息不对称的事故致因模式的可行性和可靠性。结果表明：多级安全信息不对称的事故致因模式主要包括＂真信源—安全信源＂信息不对称、＂安全信源—安全信宿＂信息不对称和＂安全信宿—安全信宿＂信息不对称等3种事故致因模式,且具有充分的实用性与可行性。
英文摘要：
To provide an effective basis and method for accident prevention and accident investigation,the model for accident resulting from multilevel safety information asymmetry was studied by using both the information science method and the safety science method. Firstly, based on the general model of information flow,a general model of safety information flow in safety system was constructed. Secondly,the factors causing safety information asymmetry were analyzed,and an accident-causing model of multilevel safety information asymmetry was built. Finally,according to the accident case,the feasibility and reliability of the accident-causing model of multilevel safety information asymmetry were analyzed and verified. The results show that there are three models of accident-causing model of multilevel safety information asymmetry,they are real information source-safety information source information asymmetry model,safety information source-safety information home information asymmetry model, and safety information home-safety information home information asymmetry model,and the accident-causing model of multilevel safety information asymmetry has sufficient practicability and feasibility.
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