DDD缩写的意思

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