cst缩写的意思

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