direct quantity comparison [统计] 直接物量比较

multilateral per capita quantity comparison 人均量多项比较

indirect quantity comparison 间接物量比较

comparison of the quantity 数量比较

comparison of fixed quantity 定量比较

fuel quantity comparison meter 燃油量比较仪表

multi-units quantity comparison 多单位量比较

direct price or quantity comparison 直接价格或物量比较