This dissertation focuses on the study of economic analysis and mathematical models of open pit cutoff grade optimization.
本论文研究露天矿开采边际品位经济最优化的理论方法及其数学模型问题。
参考来源 - 露天矿边际品位最优化的经济分析·2,447,543篇论文数据，部分数据来源于NoteExpress
提出了级差边际品位的概念，建立了级差边际品位的数学模型。
The concept of the differential and cut-off grade is pointed out, and its mathematical model is built as well.
这4项品位指标依次为边界品位、边际品位、经济品位和矿床平均品位。
They are respectively named cut-off grade, marginal grade, economic grade and the average grade of an ore deposit.
深入地剖析了影响矿石开采边际品位经济性分析的主要技术经济因素，为最优化建模提供了变量关联性分析基础。
The technological and economic factors relating to the cutoff grad analysis are studied, providing the basis for the inter-variable relations analysis in optimization modeling;
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