A new system has been devised to control traffic in the city.

控制城市交通的新系统已经设计出来。

《牛津词典》

For example, if we are modeling a new kind of traffic light, we may want to start at the level of the citywide traffic system, so that we can place the traffic light in its context.

例如，如果我们要对一种新的交通灯进行建模，我们可能希望从全市交通系统的层级开始，以便我们能够将交通灯置于它的上下文中。

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Dubai police said that they want to use this new system to encourage motorists to abide by traffic laws.

迪拜警方称，想用这个新体系鼓励司机们遵守交规。

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The accompanying table lists publicly traded companies that attended an October 2006 FAA "industry day" on the new air traffic system.

FORBES: Magazine Article

What the NTSB uncovers regarding the FAA's safety certification program could have important implications for the agency's ability to handle other technology challenges, including the transition to a new air traffic control system and the introduction of unmanned aircraft into the national airspace, said Jim Hall, a former safety board chairman.

NPR: NTSB Probes Safety Testing Of Boeing 787 Batteries

Mr Darling said new technology was already being used to "better manage roadspace" - for example a new system of "traffic management " on the M42.

BBC: NEWS | UK | UK Politics | At-a-glance: Road charge plans