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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Therefore, a precise definition of the aircraft is: there is a power-driven aircraft, fixed wing aircraft and is heavier than air.

因此飞机的精确定义就是：飞机是有动力驱动的有固定机翼的而且重于空气的航空器。

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We were a little more than curious about how a computer-based, software-driven aircraft would hold up in the hot and dusty conditions of Iraq and Afghanistan.

我们对这样一架基于计算机的，由软件管理的飞机是如何在伊拉克和阿富汗这样的高温和沙尘环境下坚持工作充满了好奇。

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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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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

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