DCC缩写的意思

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