differential FH差分跳频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 settling速差沉淀differential quotient微系数,微商,导数differential eguation微分方程differential survival差别生存differential rheotome[医] 差示电流断续器differential adhesion差别黏附differential sequence差分序列differential movement微差移动differential leveller水准测量differential decoding差分译码