The selection of mining method is an uncertain multi attribute decision making problem. The uncertainty of mining index can be described with interval Numbers.
采矿方案选择是一个不确定多属性决策问题，提出用区间数来描述采矿指标的不确定性。
Based on the gray system theory, the multi-attribute decision making problem is discussed, in which both the attribute values and the attribute weights are interval gray Numbers.
以灰色系统理论的思想与方法为基础，探讨了属性值和属性权重均为区间灰数的多属性决策方法。
The uncertain multi-attribute decision making problem in which the attribute values are interval numbers is discussed.
讨论了属性值为区间数的一类不确定性多属性决策问题。
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