DDF缩写的意思

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