DBSC缩写的意思

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