But a key event in 1993 changed the almost exclusively one-way flow of trade in military aircraft and equipment.

但是1993年的事件改变了军用飞机及装备独有的单向流动交易的状况。

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But the frame of the aircraft itself is to blame for the other half: the bumpy air flow over the undercarriage and the slots and flaps of the wings creates the rest of the racket.

而另一半的元凶则是飞机自身的结构问题：颠簸不平的气流穿梭过往时同起落架、翼缝和襟翼等结构相遇制造了另一半噪音。

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The aircraft sequencing problem of route intersection in air traffic flow management was discussed.

讨论了空中交通流量管理中在航路交汇点上的飞机排序问题。

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What goes for an airport or a bay can be scaled up to an ocean, or the air above it, and down to the flow off an aircraft's wingtip, or a ship's hull.

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This is already stalling the flow of imported new aircraft.

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The company has worked with Boeing to develop a system that uses multiple workstations to simulate the flow of air over an aircraft's wing.

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