DRM缩写的意思

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