Traffic control and management are effective measures to solve the problems of traffic jam.

交通控制和管理是解决城市交通拥挤问题的有效措施。

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Thess models have advantages to carry on the traffic control signal optimization and the traffic jam mechanism analysis. Furthermore, it is easily for the computer software realization.

该模型具有既能够进行交通控制信号优化与交通阻塞机理解析应用，又便于计算机软件实现的优点。

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This paper points out that the integrated problem of entrance on ramp control, mainline control and corridor control must be studied in order to solve traffic jam of freeway effectively.

本文指出要有效解决高速公路的交通拥挤与堵塞问题，必须研究入口匝道控制、主线控制、通道控制等的集成问题。

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We do have a unique capability, for instance around our intelligence, around our refueling capacity, around our ability to jam Libyan command and control, for instance.

WHITEHOUSE: Press Briefing with Jay Carney and Ben Rhodes

The flaws he found weren't instantly catastrophic, he said, but could be used to track private airplanes, intercept messages and jam communications between planes and air-traffic control.

CNN: Hacker says phone app could hijack plane