Jisho

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高揚力装置
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Wikipedia definition
1. Flap (aircraft)​Flaps are hinged surfaces mounted on the trailing edges of the wings of a fixed-wing aircraft to reduce the speed at which an aircraft can be safely flown and to increase the angle of descent for landing. They shorten takeoff and landing distances. Flaps do this by lowering the stall speed and increasing the drag. Extending flaps increases the camber or curvature of the wing, raising the maximum lift coefficient - or the lift a wing can generate.
Read “Flap (aircraft)” on English Wikipedia
Read “高揚力装置” on Japanese Wikipedia
Read “Flap (aircraft)” on DBpedia

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