只要保留美国铁路客运对其铁路的使用权，他们可以停运某趟旅客列车和其他支线列车，允许将亏损的线路卖给新成立的短程铁路运输公司。
They could close passenger and branch lines, as long as they preserved access for Amtrak services. They were allowed to sell lossmaking lines to new short-haul railroads.
网站针对全球的目的地生成许多条推荐线路，并允许用户根据自己的旅行天数以及希望参观的景点，对自己的行程表进行定制。
The site generates suggested itineraries for destinations around the world, and allows users to customise their schedules according to how many days they are visiting, and what they want to see.
当客户与客户服务或技术支持代表进行对话时，这种解决方案允许呼叫者了解正在使用的通信线路出现了什么问题。
It lets the caller know what is going on with the communication lines in use, while the chat conversation with a customer service or technical support representative was in progress.
供应诸如电和水等公用工程的公司，有规定允许竞争对手使用它们的线路或管道。
There are rules for companies that supply utilities like electricity and water to let competitors use their wires or pipes.
声音文本允许在同一通话期间，声音与数据通过普通的旧有电话服务的同一线路上进行传输。
Audio text allows voice and data to travel over the same plain old telephone service phone line during the same call.
装在线路中的二极管像一个只允许电流按一个方向流动的阀门。
A diode placed in a circuit ACTS like a value, allowing current to flow in only one direction.
电话系统上的一个选项，允许出局呼叫被放入一根或多根中继线路中。
An option on a telephone system which allows outgoing calls to be put in line for one or several trunks.
巴士完成一次线路所用时间为25分钟，在下一班出发前允许有5分钟的时间以弥补可能的延误。
The single journey time on a bus route is25 mins, and5 mins is allowed in the schedule before the next journey to recover from any late running.
提出了架空输电线路直流融冰的两个重要参数：最小融冰电流和最大允许融冰电流的概念。
Two Critical concepts involved in direct current ice-melting technique of high voltage over head line, the least ice-melting current and the Max allowed current was presented.
控制台方式允许您执行BASIC个别线路，或者名义上运行您的节目。
Console mode allows you to execute single lines of BASIC, or to run your programs by name.
发明调制解调器是为了将数字计算机信号转换成一种允许它们在电话线路中传输的形式。
Modems were invented to convert digital computer signals into a form that allows them to travel over the phone lines.
这些线路电平输入相加之前发送到内部放大器允许在低音音响系统操作使用一个低音炮。
These line level inputs are summed before being sent to the internal amplifier allowing the subwoofer to operate in stereo systems using a single subwoofer.
它允许你录制声音直接从您的声卡，包括从麦克风或线路输入高品质的插孔。
It allows you to record sound directly from your sound card, including from a microphone or a line-in jack at high quality.
合母线侧及线路侧接地刀时，往往需要验明对侧无电后方允许操作。
When closing the earthing switch on the bus-bas and transmission line, the operation is allowed only after verifying that no electricity is on the opposite side.
合母线侧及线路侧接地刀时，往往需要验明对侧无电后方允许操作。
When closing the earthing switch on the bus-bas and transmission line, the operation is allowed only after verifying that no electricity is on the opposite side.
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