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本文用逐步回归分析方法对生产中的48炉20CrMo钢的机械性能与主要化学成份之间的关系给出了最优的线性数学模型,与生产实测结果比较表明所得的回归模型是满意的。
In this paper, the optimal linear mathematical model of the relationship between the mechanical properties and the main chemical components of the 48-furnace 20CrMo steel was established by stepwise regression analysis. The comparison with the measured results shows that the regression model is satisfactory.