differential SP微差自然电位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 tax rate差别税率differential property差速特性differential nutation较差章动differential detector差接检波器,差示检测器,差动指示器,微分检波器differential spectrum差示光谱differential porosity随地层走向而变化的孔隙度differential compound差绕复激differential equtions微分方程differential pressure压差differential receiver差动接收机