The author elaborated the dangerous source, the dangerous factor, the dangerous way, the hazard point distribution definition and the identification method, .
论述了危险源、危险因素、危险途径、危险点分布的定义与辨识方法，以水电工程施工作业系统为研究对象给出了辨识示例。
It is the first time to research into the identification problem of major hazard source concerning widespread mined-out area instability systematacially.
首次对大面积采空区失稳的重大危险源辨识问题进行了系统研究。
It is the first time to research into the identification problem of major hazard source concerning widespread mined-out area instability systematacially.
首次对大面积采空区失稳的重大危险源辨识问题进行了系统研究。
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