PPCT缩写的意思

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