Contributing factor coefficient 成因系数

granularity factor coefficient 粒级因素系数

composition factor coefficient 组分因素系数

load carrying factor coefficient 承载因子系数

multiplying factor coefficient method 近似倍率系数法

factor input coefficient 要素投入系数

coefficient of affected factor 影响因素系数

safety coefficient or safety factor 安全系数

factor revision coefficient 因素修正系数