quantity due欠交数量quantityn.量；数量；大量quantity of demand需求量quantity iconicity数量象似quantity of output[经] 出产量, 输出量, 供给量quantity recording数量记录Quantity Unit Pack数量元件包Quantity Principle数量原则quantity performed完成数量quantity discounts数量折扣Quantity of Enzyme酶用量quantity potential数量潜力