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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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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Traffic control and traffic guidance can learn from each other, give full play to their strengths, also can play its collaboration features. It has great role to solve traffic jam problems.

交通控制与交通诱导的结合能取长补短，充分发挥各自的优势，又能发挥其合作的特点，对解决交通拥挤问题有很大的作用。

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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