DC缩写的意思

CSD CAMPER SE CEL CLE CBG PCCG ECS ETX ACC CAT CAP CAD CDI CAPP PD SDS CAP CENSA CEM NPC AAS CSD CGRM BOB CPL SWI CAT CSTS CMC ICS CTF CMC IMAP PCMCIA VCL AST CADD CAE IEEE-CS EIA ASPC SDA GAPP CSTNET NU SA&SD INDA CARE IPLI PCC OBC CDS TMCC ACS SGU GPDC CAE ICS ICP