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2022年12月8日 · 航空器 (英語: Aircraft )是 飛行器 中的一個大類,是指通過機身與空氣的相對運動(不是由空氣對地面發生的反作用)而獲得空氣動力升空飛行的任何機器。. [1] [2] [3] 任何一種航空器都必須產生出與自身重力相同的 升力 來,才能進入空中。. 根據升 ...
航空器 (英語: Aircraft )是 飞行器 中的一个大类,是指通过机身与空气的相对运动(不是由空气对地面发生的反作用)而获得空气动力升空飞行的任何机器。. [1] [2] [3] 任何一种航空器都必须产生出與自身重力相同的 升力 来,才能进入空中。. 根据升力的产生 ...
An aircraft (pl.: aircraft) is a vehicle that is able to fly by gaining support from the air. It counters the force of gravity by using either static lift or the dynamic lift of an airfoil , [1] or, in a few cases, direct downward thrust from its engines.
1,413,207 Aviation Photos. 1,208,896 High-Quality Aviation Photos. Civil aviation database with 1 million photos and information on 50,000 aircraft.
Invented. 1903; 121 years ago. ( 1903) An airplane ( American English) or aeroplane ( Commonwealth English ), informally plane, is a fixed-wing aircraft that is propelled forward by thrust from a jet engine, propeller, or rocket engine. Airplanes come in a variety of sizes, shapes, and wing configurations.
波音 : 波音717 、 波音727 、 波音747 、 波音757 、 道格拉斯DC-3 、 道格拉斯DC-4 、 道格拉斯DC-6 、 道格拉斯DC-8 、 麥道DC-9 、 麥道MD-80 、 麥道DC-10 、 麥道MD-11. 龐巴迪宇航 : 肖特330 、 肖特360. 德意志飛機 (英語:Deutsche Aircraft) : 多尼爾328 、 費爾柴爾德-多 ...
Aviation includes the activities surrounding mechanical flight and the aircraft industry. Aircraft includes fixed-wing and rotary-wing types, morphable wings, wing-less lifting bodies, as well as lighter-than-air craft such as hot air balloons and airships. Aviation began in the 18th century with the development of the hot air balloon, an ...
An airplane is any of a class of fixed-wing aircraft that is heavier than air, propelled by a screw propeller or a high-velocity jet, and supported by the dynamic reaction of the air against its wings. Learn more about the different types of airplanes as well as their construction.
Aircraft such as balloons, nonrigid airships ( blimps ), and dirigibles are designed to contain within their structure a sufficient volume that, when filled with a gas lighter than air (heated air, hydrogen, or helium), displaces the surrounding ambient air and floats, just as a cork does on the water. Balloons are not steerable and drift with ...