upn缩写的意思

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