PD缩写的意思

DVVI CPM DFSK DS FCN CRC mcu AFC EF NDS EEROM APADAS ETE DFOS IS-IS DVC S3 NCBA DPON MADP EWT EELS CC QDOS CNCC IM GIMM DCT EFCI ppm ASC DTP FED DL GPS SSM CICS Bps RIP CTDM IOB AP RAID ASI SSG SFB APARS SOC UMTS STB CSE AJG CPS CAI GDPS DCN ESC EAF DTD ABDL