AN缩写的意思

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