an缩写的意思

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