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Fav十万个为什么
直升飞机为什么不用在跑道上起飞？
直升飞机之所以不用在跑道上起飞，主要是因为其独特的垂直起降能力、对起降场地要求低以及对复杂地形适应性强，具体原因如下：
1、直升飞机具备垂直起降能力：直升飞机通过旋翼产生升力，能够直接垂直起飞和降落，无需像固定翼飞机那样依赖长长的跑道进行滑跑加速或减速。
2、对起降场地要求低：由于直升飞机的垂直起降特性，它可以在相对较小的场地、屋顶、甲板甚至一些复杂地形的平台上起降，极大地拓宽了其应用场景。
3、对复杂地形适应性强：直升飞机能够在山区、森林、城市高楼密集区等复杂地形中灵活起降，执行救援、运输、巡逻等任务，这是固定翼飞机难以做到的。
总结：直升飞机不用在跑道上起飞，主要是因为其独特的垂直起降能力、对起降场地要求低以及对复杂地形适应性强。
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