QCB缩写的意思

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