AT缩写的意思

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