他们必须等待空中交通管制队下达的起降许可令。
导航员可能会看到一对星星一起降落的现象。
由于飞机现已在各垂直起降动力。
每天上海的机场上有数百家飞机起降。
Everyday there are several hundred airplanes on the airport in Shanghai rise to decline.
他们可以选择起降地，日期和拟到达的时间。
They will pick the place they want to go from, where they want to go, the date of travel and the time they want to arrive.
调查人员发现跑道太短，不适合这种飞机起降。
Investigators found that the runway chosen was too short for the type of plane.
我们已经将闭锁装置设计到了垂直起降杆里。
人类也一度在跑道上插上标杆来指引飞机的起降。
Mankind has taken to planting posts along its way to mark the flight of time.
恒流调光器是为飞机起降提供目视引导的关键设备。
Constant current regulator (CCR) is to provide visual guidance for aircraft taking off and landing.
国外的舰载机起降训练系统也和海浪模拟有着很密切的关联。
The training system of carrier plane overseas also has significant relevance to the sea wave.
国外的舰载机起降训练系统也和海浪模拟有着很密切的关联。
The training system of carrier plane overseas also has significant relevance to the sea wave.
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