DSU缩写的意思

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