AT缩写的意思

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