CSD缩写的意思

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