首次在硬岩矿山采空区评价中引入综合模糊评价理论，建立了采空区灾害危险度多因子评价模型。
Fuzzy integrated assessing theory was used in hard rock mine goaf for the first time and multifactor assessing model for goaf hazard degree was also constituted.
首次在硬岩矿山采空区评价中引入综合模糊评价理论，建立了采空区灾害危险度多因子评价模型。
Fuzzy integrated assessing theory was used in hard rock mine goaf for the first time and multifactor assessing model for goaf hazard degree was also constituted.
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