公共: public; common; communal数据: data; record; information网络: network; electric network me ...公共数据网: public data network pdn公共数据网 公用数据网: publicdatanetworkpdn电路交换公共数据网: circuit switched public data network; circuit-switched public data network cspdn分组交换公共数据网: packet switched public data network pspdn; pspdn packet switched public data network线路转换公共数据网: cspdn circuit switching public data network公共包数据网络: ppdn public packet data network公共分组数据网络: psdn packet switched data network公共用户数据网络: common user data network公共数据库: pdb public database公共数据存取: cda - common data access公共数据访问: cda common data access公共数据环境: common data environment公共数据通道: common data channel公共数据字典: common data dictionary公共数据总线: cdb common data bus数据网络: dn data network; high speed data network数据网络6: dn data network新数据网络: ndn new data network; new data network公共数据接口系统: cdis common data interface system公共数据接入点: pdap public data access point; pdapublic data access point保护数据网络: defense data network贝尔数据网络: bell data network