许多人认为，空中交通管制系统是由一排坐在美国机场雷达屏幕前的管制员组成的，他们告诉到达和离开的航班该做什么。
Many people think that ATC consists of a row of controllers sitting in front of their radar screens at the nation's airports, telling arriving and departing traffic what to do.
在发现这两具尸体的新闻之前，法国调查人员宣布，法航447航班在从雷达屏幕上消失之前曾发送出24条错误讯息。
News that two bodies had been recovered followed the announcement by French investigators that flight 447 had sent 24 error messages before disappearing from radar screens.
因为，现代历史上还没有哪架客机像法航447航班一样消失如此彻底----没有求救信号，没有目击者，甚至没有在雷达上留下任何痕迹。
No other passenger jet in modern history had disappeared so completely — without a Mayday call or a witness or even a trace on radar.
马航370航班最后一次出现在雷达是在越南和马来西亚上空。
Malaysia Airlines Flight 370 was last seen on radar above Vietnam and Malaysia.
因为这次1549航班在降落的时候，一种特殊的雷达收到了很多值得注意的信息。
Since the emergency landing of flight fifteen forty-nine, special radars have received a lot of attention.
麦格劳说，“人们都认为所有航班，甚至当它在跨越海洋时，都能在某类有人值守的雷达屏幕上被看到。
People are under the impression that every airplane, even when it's flying across the ocean, is observed on some kind of radar scope, with a human being looking at that scope.
据越南陆军副参谋长透露，航班在进入越南航空管辖区域前一刻便彻底从雷达信号上消失。
The plane completely vanished from radar one minute before it entered Vietnam's air traffic space, according to Lt. Gen. Vo Van Tuan, deputy chief of staff of the Vietnamese army.
载有280名乘客和15名机组人员的MH17客机，正沿着航线经过德国、波兰和乌克兰，到达巡航高度33，000英尺的高空，直线平行飞行，但是在下午1时21分，雷达已经与航班失联。
With a complement of 280 passengers and 15 crew, MH17 made its way over Germany, Poland and Ukraine, reaching its cruising altitude of 33,000 feet and flying straight and level, but at 1:21 p.
载有280名乘客和15名机组人员的MH17客机，正沿着航线经过德国、波兰和乌克兰，到达巡航高度33，000英尺的高空，直线平行飞行，但是在下午1时21分，雷达已经与航班失联。
With a complement of 280 passengers and 15 crew, MH17 made its way over Germany, Poland and Ukraine, reaching its cruising altitude of 33,000 feet and flying straight and level, but at 1:21 p.
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