| 释义 |
public data transmission service 公用数据传输业务 A data transmission established and operated by an administration and provided by means of a public data network.Circuit switched, packet switched and leased circuit datatransmission services are feasible. 由行政管理部门建立和经营的,借助公用数据网而提供的一种数据传输业务。 电路变换的、包[分组]交换的以及租用线路的数据传输服务都可提供。 |