bc缩写的意思

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