PCM缩写的意思

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