高速电路交换数据 HRhigh speed circuit switched data; high speed circuit switched data
高速电路交换数据服务 high speed circuit switched data service
高速数据交换网络 high speed switched data network
高速数据业务 High speed data service
电路交换数据 CSD; agricultural competence
电路交换数据传输服务 circuit switch data transmission service; circait-switched data-transmission service; circuit-switched data-transmission service
电路交换数据网 circuit switched data network
电路交换数据网络 CSAcircuit switched data network
公用电路交换数据网 Circuit Switched Public Data Network CSPDN
数据电路交换设备 data circuit switching equipment
数据电路交换系统 data circuit switching system; data circuit switch system
增强电路交换数据 enhanced circuit switched data
增强型电路交换数据 enhanced circuit-switched data (ECSD; ECSAenhanced circuit switched data
多兆位数据交换业务 SMDRswitched multimegabit data service; single layer TAB tapeswitched multimegabit data service
高速交换数字服务 high speed switched digital service; HSSDS
高速数据路径 high speed data path
电路交换数字网络 crystallographycircuit switched digital network
任务数据交换格式 mission data exchange format
商业数据交换 business data interchange