偏比数,preference-ratio number
proportion error factor比例偏差系数
3)partial geometric progression偏置等比级数
1.The article contrasts the geometric progression and the partial geometric progression of the speed’s proportion, analyzes the two methods, through that we can figure out all speed’s proportions fast and exactly after we choose the numbers of the transmission’s gears and the f.通过对变速器等比级数速比配置、偏置等比级数速比配置的理论分析,从经济性和加速性两方面分析对比两种速比配置,在总档位数和一档速比确定后,合理的分配变速器各档速比。
4)deviated function of cement-sand ratio砂灰比偏离函数
5)low base of comparison比较基数偏低
6)high base of comparison比较基数偏高
延伸阅读

偏比1.偏袒亲近。