重大危险源辨识是重大事故预防和控制的第一步。
It is the first step of major accidents prevention and control that major hazard sources identify.
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.
重点对煤矿重大危险源辨识评价过程中的若干问题，进行了研究与探讨。
Some key questions in the identification and evaluation process of major hazard in coal mine are studied and probe into.
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