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

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。
随便看	middle and elementary schools middle and elementary school students middle and elementary school teachers middle and elementary students middle and far-infrared Middle and front-field middle-and-heavy plate middle and high age population middle and high frequency middle and high school students middle and high seam middle and high sulfur coals middle and high vocational school middle and high voltage Middle and inner ear middle and late Holocene middle and late Ming Dynasty middle and late phase hepatocarcinoma middle and late Proterozoic middle and later Ming dynasty Middle and later periods middle and late Tang Dynasty Middle and Late Tang society middle and long distance Middle and long distance race