proportionalit比值, 比例, 相称
proportionaladj.成比例的;相称的n.[数]比例项
proportional stamp tax比例印花税
proportional amplifier比例放大器
proportional gas mixer气体比例混合器
proportional linearity比例线性
proportional mortality死亡率比
proportionally-mixed比例混合
proportional deduction按比例扣除
proportional character比例字符
proportional earthwork土石方比例
proportional selection比例选择性