PCD缩写的意思

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