HCN缩写的意思

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