The weight matrix is replaced by using weight coefficient, and avoids calculating inverse matrix of the error variance matrix.
用计算加权系数的方法代替了原来的计算加权矩阵，从而避免了求解滤波误差方差阵的逆矩阵。
Classical statistical analyses show significant spatial variability of soil erodibility K values at a scale of small watershed, the variance coefficient of which is 39.94%.
经典统计学方法分析表明，在小流域尺度下土壤可蚀性K值存在很强的空间变异性，其变异系数达39.94%。
The ratio of variance is used as the influence measure and we have also found the accurate relation between the ratio of variance and correlation coefficient.
用方差比做为判定影响大小的度量，并找到了它与相关系数之间的精确关系。
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