旋翼机在飞行中是靠无动力旋转式机翼来支持的。
An autogiro is supported in flight by unpowered rotating wings.
以航弹引信旋翼机构为研究对象，着重分析了其在超音速流场中的机构动力特性，建立了该机构在超音速条件下的数学模型。
Taking vane actuated mechanism as study object, the paper mainly analyses its dynamic properties in supersonic environment and establishes the mathematical model under this condition.
早期自转旋翼机有着与固定翼航空器类似的机翼和前置的动力装置，拖动自身向前飞行。
Early autogyros resembled the fixed-wing aircraft of the day, with wings and a front-mounted engine and propeller in a tractor configuration to pull the aircraft through the air.
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