AT缩写的意思

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