DC缩写的意思

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