大面积采空区失稳是典型的矿山重大危险源。

The instability of widespread mined-out area is a typical major hazard sources in mine.

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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.

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因此，对大面积采空区失稳这一矿山重大危险源进行辨识研究十分必要。

Therefore, the study of widespread mined-out area instability identification is necessary.

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