differential pay差别工资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 difference amplifier差分差值放大器differential coherent acquisition差分相干捕获differential scanning calorimeter示差扫描热量计differential attachment technique差速贴壁技术differential-density saparation比重分选法differential altimeter statoscope高差仪differential drive pinion bearing差速器主动小齿轮轴承differential operational matrices微分运算矩阵differential confocal measurement差动共焦测量differential fluorescent staining鉴别性荧光染色法