DB缩写的意思

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