It is of great military significance to identify propeller-driven aircraft using the active service radar.

用现役雷达识别螺旋桨飞机具有重要的军事意义。

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Its fish-like method of propulsion reportedly makes it quieter than a propeller-driven craft of the same size.

及其鱼肉状的推进方法据说使得它比相同大小的一个螺旋桨驱动的工艺更安静。

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Under these conditions, flapping, birdlike flight might well have some benefits over propeller-driven or helicopter flight.

在这种情况下，拍击，像鸟儿一样飞可能比螺旋桨推进飞行要好些。

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But this propeller-driven aircraft is bright white with a black iron cross and the red,yellow,and black flag of the German Luftwaffe on its side.

VOA: standard.2010.07.27

But aviation expert Miles O'Brien told CNN the circumstances point toward a possible loss of cabin pressure in the eight-seat, propeller-driven aircraft.

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If you hang around long enough, a propeller-driven aircraft -- probably bringing holidaymakers from the Red Sea resort of Eilat -- will swoop in low for a landing, passing so close you may feel the urge to reach out and touch it.

BBC: Cycling the Tel Aviv coast

On propeller driven aircraft, balloon-like devices attached to the wings and tail are inflated and deflated with air from the engines, breaking up any ice accumulation.

CNN: Airplane deicing: The how and why