proportionaladj.成比例的;相称的n.[数]比例项
proportional rate[经] 成比例运费率
proportional tube正比计数管
proportional cost比例费用
proportional zoom比例缩放
proportional kick比例冲击
proportional weir比例式堰
proportional arms比例臂
proportional band比例区,比例带,比例尺范围
proportional fair正比公平
proportional area成比例区域