CSS缩写的意思

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