If special purpose lanes were available, the car could enter them and join existing traffic in two different ways.

如果有专用车道，汽车可以进入专用车道，以两种不同的方式汇入已有的车流中。

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Because the screens are smaller, such mobile traffic tends to be driven by specialty software, mostly apps, designed for a single purpose.

因为屏幕变小了，这种移动数据传输趋向由专用软件驱动，一般而言，是为单一目标而开发的应用。

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If each traffic light responds to its immediate demands, then all the lights will just react to the traffic coming from nearby intersections, which defeats the purpose of a smart network.

如果每盏信号灯仅对即时需求做出响应，那么所有的信号灯也只会对就近的交通路口情况做出反应，显然这就有悖于设置智能网络的初衷。

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Initiatives such as Argo have reached out to stakeholders that do not traditionally participate in scientific research in an effort to use existing marine traffic for the purpose of gathering scientific data and launching monitoring equipment.

UNESCO: World Water Assessment Programme (WWAP)

It has always baffled me that councils feel that they should put obstacles on roads which were created for the specific purpose of conveying traffic.

BBC: NEWS | UK | Scotland | Campaign to end speed bump 'pain'

Water features have a practical purpose as well: They mask unpleasant sounds like traffic or noisy neighbors.

WSJ: High Water Marks