IYF缩写的意思

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