differential的意思是： adj. 差别的; 特意的; [数]微分的; [机，物]差动的; n. 差别; [数]微分; 工资级差; [机]差动器; 【例句】 1、This is called a normal system of differential equations. 这称为正规微分方程组。 2、One company has introduced a differential pricing scheme to supply generic insulin to the least developed countries, benefiting three dozen States to date. 一家公司推出了差别定价计划，向最不发达国家供应非专利胰岛素，迄今已惠及三十多个国家。
