英语词汇“变后掠翼飞机”的翻译、意思、用法、释义-英汉汉英双解词典-爱贷网

词汇	变后掠翼飞机
释义	变后掠翼飞机 biàn hòu lüě yì fēi jī在飞行中机翼的后掠角可以改变的飞机。后掠角变化在20～70°范围内。飞行中适时改变后掠角大小，可适应高速和低速飞行的要求。飞机作超声速飞行时，后掠角变大，能延迟激波的产生和波阻的减小，保证良好的飞行性能；起飞、着陆和低速飞行时，后掠角变小，可缩短起飞和着陆滑跑距离，增大航程和续航时间。但机翼转动的构造复杂，质量大。
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