This paper presents the analogized methods and the active control experiments of the cabin noise for a propeller airplane.

本文介绍螺桨飞机舱内噪声的地面模拟方法和主动控制实验。

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Even if has a good engine, if does not have the appropriate propeller to lead, the airplane performance also can sell at a discount greatly.

即使有一个好的发动机，如果没有合适的螺旋桨来带动，飞机的性能也会大打折扣。

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Abstract: : the propeller is in the model airplane one of most important components, is the model ship airplane obtains the power the key component.

摘要：螺旋桨是航空模型中最重要的零件之一，是航模飞机获得动力的关键部件。

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When I was a kid, my first airplane ride was in a propeller aircraft painted to look like an eagle and piloted by my father.

WSJ: Buzz Aldrin on His Lunar Home, the Eagle