DDN缩写的意思

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