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 impulse voltammetry脉冲伏安法differential refraction detector差示折光检测器differential compound excitation差复激differential thermoelectric pile差动热电堆differential-integral equation微分积分方程differential-input capacitance[电] 微分输入电容differential flowmeter for steam蒸汽差压流量计Differential transformer sensors差动变压器式传感器differential phase measuring set微分相位测量器differential thermal solarimeter差热日射计