EFD缩写的意思

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