差动自整角机电动机

Differential-Display PCR, DDPCR

reciprocal subtraction RNA differential display

differential pump (multistage pump, multi-cellular pump, step piston pump)

differential piece rate system【劳经】

differential centrifugation

seasonal price differential【物】价;seasonally price difference【物】价

equivalet differential input re-sistance

self-adjoint differential equation【数】