DDC缩写的意思

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