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浮空器(Lighter-than-air craft)是指利用轻于空气的气体来提供升力的航空器。依照工作原理,浮空器可分为飞艇、系留气球和热气球。对应而言,固定翼飞机与直升机是利用机翼旋翼运动产生的空气动力升空,属于“重航空器”(Heavier-than-air craft)。当下几乎从各国军事装备中消失的浮空器,迄今已有逾百年的发展历史,也曾有着快速发展并广泛应用的辉煌。虽说飞机与直升机的问世终结了飞艇的黄金时代,
Lighter-than-air craft refers to the use of lighter than air to provide lift aircraft. In accordance with the working principle, aerostats can be divided into airships, tethered balloons and hot air balloons. Correspondingly, fixed-wing aircraft and helicopters are powered by the aerodynamic launch of the wing rotor, belonging to the “Heavier-than-air craft.” The aerostats now almost disappearing from the military equipment of various countries have so far had a history of more than a hundred years of development and have enjoyed brilliant achievements that have been rapidly developed and widely used. Although the advent of aircraft and helicopters ended the golden age of the airship,