These patrolling aircraft observe the movements of enemy leaders, thwart roadside bomb crews, monitor radio traffic, and perform other intelligence-gathering missions.

这些巡逻机侦察敌方首脑、布放路边炸弹人员、微型无线电通信的行踪以及执行其他收集情报的使命。

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The additional coverage includes more armed officers and sniffer dogs patrolling subway stations as well as more frequent bag checks and increased surveillance of high-traffic areas.

这些措施包括，派遣更多军官和嗅探犬在地铁站巡逻，更频繁地对行李进行检查，加强对交通流量比较大的地区的监控。

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Once we open a program we lobby to have the streets well lit, traffic signals and traffic lights in place, fast internet connections available, trash services and more policemen patrolling the streets.

WHITEHOUSE: Goals for a Better Life