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针对急倾斜厚矿体采用露天—地下联合开采时方案选择，提出了考虑各评价指标均衡度的综合评价方法，以首钢杏山铁矿为例对其开采方案进行了综合评价
Aiming at the options of open pit and underground joint mining for the steeply inclined thick orebody, a comprehensive evaluation method considering the balance of each evaluation index is put forward. Taking the Xingangshan Iron Mine of Shougang Group as an example, the comprehensive evaluation of its mining scheme is carried out