relative cost coefficient [数] 相对成本系数

real cost coefficient 现实成本系数

cost coefficient method 代价系数法

reduced cost coefficient 缩减成本系数

resource cost coefficient 资源成本系数

bargaining cost coefficient 讨价还价成本系数

relationship cost coefficient 关系成本系数

regeneration cost coefficient 再生成本系数

cost coefficient of length 造价长度系数