There existed a significant positive linear correlation between total Fe and active Fe in leaves after injection of iron fertilizer, the coefficient of correlation being 0.9842.
注铁后，叶子全铁含量与有效铁含量之间呈极显著的直线正相关，相关系数为0.9842。
The Y-X correlation coefficient of a high order non - linear equation through mutation was higher than that of a simple linear equation by about 5 percent.
用权重方程产生的突变的高阶非线性预报方程，其y与X的相关系数比1阶线性方程提高5%左右。
A new multivariate linear model was proposed to associate viscosity and group composition of heavy oil. Multiple correlation coefficient of the model is 0.9885.
提出了一种能对稠油族组成与粘度进行较好关联的多元线性模型，其复相关系数为0.9885。
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