GPDC缩写的意思

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