Using the correlation between number of university (students) in each subject and average GDP as the contribution rate of grey linear programming, the subject (structure) is optimized.
并把分学科在校生与人均GDP的关联度作为灰色线性规划的贡献率灰数，优化出各学科在校生的结构。
The results show that the fitting curve of the linear correlation coefficient greater than 0.97 on the particle size distribution of slag powder with the characteristics of fractal structure.
结果表明，拟合曲线的线性相关系数均大于0.97，说明钢渣微粉的粒度分布具有分形结构特征。
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