CSD缩写的意思

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