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 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.
你拨号进入，激活了会议线路，并试图开始后续过程，可其他人却来晚了。
You dial in, activate the conference line and attempt to start the proceedings, when the stragglers arrive late.
我一直在拨号，但线路似乎断了。
附件B提供了网络识别，业务参数，呼叫/连接线路识别，拨号程序和基于地理的ISDN呼叫的寻址的信息。
Annex B provides information on network identification, service parameters, calling/connected line identity, dialling procedures and addressing for geographic-based ISDN calls.
方法：用真空负压表、延迟控制线路，接通电话机免提键、存储拨号键。
Methods The vacuum negative pressure meter and the delayed control line were used.
方法：用真空负压表、延迟控制线路，接通电话机免提键、存储拨号键。
Methods The vacuum negative pressure meter and the delayed control line were used.
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