DF缩写的意思

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