differential tax rate差别税率
differential reproductive rate差异繁殖速度
differential shrinkage rate异收缩率
differential interest rate差别利率
differential birth rate差别出生率
differential freight rate agreement差别运价协定
differential premium rate差别保险费率;差别费率
Differential Piece Rate差额计件工资;差额计件工资制;[劳经] 差别计件工资;差别计件工资制
differential etch rate微分腐蚀速度
Differential rate is the core of occupational injury insurance mechanism, which has direct impact on the enthusiasm of enterprise to buy insurance and the preventing of occupational injure.
工伤保险差别费率是工伤保险费率机制的核心内容，它关系到企业参保的积极性及工伤保险预防效能的发挥。
参考来源 - 我国工伤保险差别费率的研究