AA缩写的意思

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