DC缩写的意思

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