SDA缩写的意思

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