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现代飞机的发明源于人们对鸟儿飞行的认识,然而同样用于产生升力的飞机机翼却无法像鸟的翅膀那样自由地伸展和舞动,所以飞机也就不能像鸟一样适应各种飞行状态。不过,随着技术的发展,像鸟翅膀一样的变形机翼将很快与世人见面。美国国防部预先研究计划局(DARPA)于两年前启动的变形飞机结构项目目前已获得重大突破,两个变形原型机翼于今年年中开始风洞试验。不久的将来,人们将看到具有一副像鸟翅膀一样的柔软机翼并具
The invention of modern aircraft stems from the recognition of bird flying. However, the same wing used to generate lift can not stretch freely and dance like the wings of a bird, so that the airplane can not adapt to various flight conditions like a bird . However, as the technology evolves, wings like a deformed wing will soon meet the world. A major breakthrough has been made by the Defense Advanced Research Projects Agency (DARPA) in the deformed aircraft structure project launched two years ago. Two prototype prototype wings began the wind tunnel test in the middle of this year. In the near future, people will see with a pair of soft wings like wings and wings