graduate scale meaning in Chinese

分度尺

Staff members pay a " staff assessment " , which is a form of income tax deducted from their gross salary according to a graduated scale
这是一种从工作人员的薪金毛额中按累进比率扣缴的所得税，是一种固定税收，不允许有任何扣除项。
The rate of tax after deductions and allowances is applied on a graduated scale , but the total salaries tax charged will not exceed 16 per cent of a person s total assessable income
税款是按应课税入息减去各项扣除和免税额后，以累进方式计算，但缴税总额不会超过应评税收入的16 % 。
The rate of tax after deductions and allowances is applied on a graduated scale , but the total salaries tax charged will not exceed 16 per cent of a person s total assessable income after deductions
税款是按应评税入息总额减去各项扣除和免税额后，以累进税率计算，但缴税总额不会超过减去各项扣除后的应评税入息的16 % 。