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由于矿山地质结构复杂以及矿产资源的富集程度差异等原因，给矿山企业决策带来了困难。选矿方案的确立涉及到经济和技术等因素的多目标评价问题，特别是在进行多种矿物的分选方案选择时，两种或多种成分的富集同时发生，并且在各指标的目标值之间存在对立统一的关系．如何把握好它们之间的关系，选取优化的选矿方案．使资源得到合理的综合利用．同时又使企业获得较好的效益．是一个值得深入研究的课题，本文推广应用灰色系统理论，提出了选矿方案的灰色局势多目标决策方法。
Due to the complex geological structure of the mine and the difference in the enrichment of mineral resources, it has caused difficulties for decision-making of mining enterprises. The establishment of the beneficiation program involves the multi-objective evaluation of economic and technical factors. In particular, the enrichment of two or more components occurs simultaneously with the selection of multiple mineral separation options and the target value There is a unity of opposites. How to grasp the relationship between them, select the optimal dressing program. Make the resource get a reasonable comprehensive utilization. At the same time enable enterprises to obtain better benefits. Is a topic that deserves further study. This article promotes the application of gray system theory and puts forward the multi-objective decision-making method of gray situation of beneficiation program.