HDB缩写的意思

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