Aircraft (English: aircraft) mean something or that can fly through the air, supported, or in General, is the atmosphere of the Earth. It can resist the world's gravity by using floating voltage (the voltage is raised) (English: Static lift or Buoyancy) or strong lift Dynamics (English: dynamic lift) of one of the airfoil [1], and there are few cases where using the propulsion to the bottom (English: the downward thrust) from Jet engines.
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