differential gap不可调间隙differentialadj.差别的；特定的；微分的n.差别；工资差额；差动齿轮；[数]微分differential genes expression analysis差异基因表达分析differential drive pinion cage bearing差速器主小齿轮轴承罩differential pressure level controller水平式差压计differential refractive index detector差示折光检测器,差示折光率检测器differential pulse position moudlation差分脉冲位置调制differential drive pinion bearing lock差速器主动齿轮轴承锁differential reinforcement of low rate低频率反应的选择性强化differential equation with four orders四阶微分方程differential quadrature element method微分求积单元法differential aconductometric titration[化] 差示电导滴定