中文摘要：

运用多元线性回归分析法建立了精矿成本的预测模型，经检验并和实际数据对比，结果令人满意，达到了成本事前控制的目的，避免了精矿成本决策的片面性和局限性。

英文摘要：

This article establishes the cost forecast model of pure ore by multivariate linear regression analysis methods, through regression test then contrasts with the actual data ,gets the satisfied result, achieves the goal of cost control in advance ,avoids the one-sidedness and limitations of cost decision.