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| polymorph wing (几何形状可以随意或自动改变的机翼，它可通过“富勒襟翼”来实现，富勒襟翼增加了整体弯度和机翼弦长，从而改进高速机翼在低速时的操纵性能，另一种方法是通过翼梢下垂来提高稳定性和机动性，还可以降低配平阻力。实现这一目的最常用的方法是具有可变厚的后掠机翼) | |||
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