下降的,递减的degressive
累退课税degressive taxation【税收】;regressive taxation【税收】;
累进递减税degressive tax【税收】
累减税degressive taxes【税收】
累退税率degressive tax rate【税收】;regressive tax rate【税收】;
递减累进税degressive tax【税收】;degressive taxation【税收】;regressive taxation【税收】
累进递减税制degressive taxation【税收】
递减费用degressive cost【会计】