DDF缩写的意思

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