数据: data; record; information电路: circuit; electric circuit; e ...虚数据电路: virtual data circuit串级数据电路: tandem data circuit串联数据电路: tandem data circuit发送数据电路: transmitted data circuit级联数据电路: tandem data circuit; tape recorder of digital logging接收数据电路: received data circuit数据电话电路: data telephone circuit数据电路设备: data circuit equipment (dce); dce data circuit equipment同步数据电路: circuit of data synchronous同轴数据电路: coaxial data circuit异步数据电路: circuit of data asynchronous交替声音数据电路: alternate voice data circuit数据电路端接设备: dce data circuit terminating equipment; dce data circuit-terminating equipment数据电路交换机: data circuit switching equipment数据电路交换系统: data circuit switching system数据电路透明度: data circuit transparency数据电路透明性: data circuit tra arency; data circuit transparency数据电路终端设备: data circuit terminating equipment; data circuit-terminting equipment数据电路终接设备: data circuit terminating equipment(dce),line coupler; data circuit-terminating equipment(dce); dce data circuit terminating equipment; dce, data circuit terminating equipment数字数据电路业务: digital data circuit service数据电路终接接设备: data circuit terminating equipment数据电路终接设备等待: dce waiting数据终端设备与数据电路设备接口: dte/dce interface