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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About LED lights and traffic lights control system devices together, use each section of the traffic lights change to achieve the next section of the control of light intensity.

即将LED路灯装置与交通红绿灯控制系统结合在一起，利用每一路段红绿灯的转换实现对下一路段灯光强弱的控制。

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There are strict traffic light software risk control systems, traffic lights in strict accordance with the trading operation will be no large losses, but profit can be enlarged indefinitely.

红绿灯软件有严格的风险控制系统，严格按照红绿灯进行买卖操作不会发生大额的亏损，但是获利则可以无限放大。

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The signal preemption idea was born in the early 1970s, when 3M devised a system that let emergency vehicles change traffic signals with pulses of strobe lights (later, infrared light) transmitted to receivers mounted over roadways.

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The Nakd Apple Pie was the only bar in the study that did not contain any added sugar, while the Alpen Light Apple and Sultana was the only one to have three green traffic lights for fat, saturated fat and salt.

BBC: Cereal bars: Healthy image a myth - Which?

In 1979 3M revamped its technology--sold under the Opticom brand--to allow it to recognize two different priority levels: a high level for emergency vehicles, which could force traffic lights to change immediately and a lower level for transit vehicles, which could hold off changing the light entirely if changing the light to green would snarl traffic.

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