HCG缩写的意思

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