bc缩写的意思

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