以净现值最大为优化目标，同时考虑采、选、冶三阶段因素，给出了地下开采矿体边界品位动态优化的方法。
Taking maximum net present value as an optimum target and considering factors in mining, milling and metallurgy, a dynamic optimum method for optimizing cutoff grade of underground orebody is given.
对发育于渭北地区的口镇-关山大断裂口镇段的冶峪河谷地貌进行了研究。
Yeyu river valley geomorphology in Kouzhen of Kouzhen-Guanshan faults in north of Weihe river is researched.
对发育于渭北地区的口镇-关山大断裂口镇段的冶峪河谷地貌进行了研究。
Yeyu river valley geomorphology in Kouzhen of Kouzhen-Guanshan faults in north of Weihe river is researched.
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