Leased Line is a permanent telephone connection between two points set up by a telecommunications common carrier.
专用线路是一个普通电讯运营商所设立的两个点之间的固定电话连接。
The server stores and sorts all data on database. Any department of railway administration can browse data anytime on the terminal by dialup or leased line to server.
服务器使用数据库技术管理数据，铁路各应用部门可在终端上通过专线或拨号线路随时查询数据。
The QoS model for HSNet includes three sorts of service: virtual leased line, assured forwarding and best effort.
层次式交换网络支持三种类型服务：虚拟专线业务、确保服务和尽力而为。
The QoS model for HSNet includes three sorts of service: virtual leased line, assured forwarding and best effort.
层次式交换网络支持三种类型服务：虚拟专线业务、确保服务和尽力而为。
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