Differential Set差速器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 reference station差分基准站differential operator sequence微分算子序列differential protective system差动保护装置,差动保护系统differential galactic rotation银河系较差自转differential thermal apparatus差热分析设备differential envelope detector高速差分比较器differential data transmission差分数据传输differential extremum operator微分极值differential pressure sticking压差卡钻differential connected circuit差动连接电路