The exercise differed from the real thing in some crucial ways: it ran for only a day, and it hardly affected anyone who wasn't an air-traffic controller.
但演习与实际喷发有几个关键的不同之处：演习仅持续一天，几乎不会影响除空中管制员外的任何个人。
The aviation authorities in the United States are investigating whether an air-traffic controller fell asleep at Reagan National Airport near Washington as two planes attempted to land.
美国航空当局正在调查，两架准备降落的客机在接近机场时，华盛顿附近的里根机场中的空中管制员是不是睡着了。
Think of the controller as the air traffic controller at an airport, giving direction to the coming and going of aircraft.
我们可以将控制器想象为机场的空中交通控制器，指挥飞机的进出方向。
But there's no provision for an air traffic controller to call in fatigued.
但是却没有条款来保障控制员的疲惫程度。
Ron Connolly sometimes had to function on four hours of sleep or less when he worked as an air traffic controller.
在做飞行塔台控制员的时候，Ron Connolly有时要在只有四小时甚至更少的睡眠时间下工作。
On March 23, two airplanes landed at Ronald Reagan Washington National Airport shortly after midnight without an air traffic controller.
在周三午夜，在没有空中交通管制员指引的情况下，间隔很短的两架飞机降落在RonaldReagan华盛顿国际机场。
On Wednesday, two airplanes landed at Ronald Reagan Washington National Airport shortly after midnight without an air traffic controller.
在周三午夜，在没有空中交通管制员指引的情况下，间隔很短的两架飞机降落在RonaldReagan华盛顿国际机场。
The aviation authorities in the United States are investigating whether an air traffic controller fell asleep at Reagan National Airport near Washington as two planes attempted to land.
美国航空当局正在调查，当两架飞机试图降落时，华盛顿附近的里根机场一名空中交通调度员是不是睡着了。
The FAA has suspended an air traffic controller for watching a movie while on the job.
美国联邦航空局吊销了一个在工作时看电影的空管人员的工作执照。
An air traffic controller noticed on his rader screen that the two planes were too close to each other.
一名空中交通控制员从他的雷达屏幕上观察到这两架飞机互相靠得太近。
The system effectiveness of an air traffic control (ATC) center and its variation directly affect the workload of a controller and the capacity of the airspace controlled by the ATC center.
空中交通管制（ATC）中心系统的效能变化，直接影响到管制员的工作负荷和管制中心所辖空域的交通容量，是ATC系统的关键运行指标。
Once you become an air traffic controller, you will have to pass job performance exams twice a year and physical exams once a year.
一旦你成为空中交通管理员，需要每2年通过工作绩效考试，每一年通过体检。
Once you become an air traffic controller, you will have to pass job performance exams twice a year and physical exams once a year.
一旦你成为空中交通管理员，需要每2年通过工作绩效考试，每一年通过体检。
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