ECS缩写的意思

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