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。
In the shipbuilding practice, Marine propeller is one of the key installations.
船舶工业中，螺旋桨是船舶的关键装置之一。
The methods will not only make a key tool for noise prediction, but also play a role for noise control of the propeller in engineering project.
整个方法对船舶螺旋桨噪声预报提供了工具，对螺旋桨的噪声控制及低噪声设计也有重要的工程价值。
The methods will not only make a key tool for noise prediction, but also play a role for noise control of the propeller in engineering project.
整个方法对船舶螺旋桨噪声预报提供了工具，对螺旋桨的噪声控制及低噪声设计也有重要的工程价值。
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