求翻译：本世纪初在美国有一对兄弟他们在世界的飞机发展史上做出了重大的贡献，他们就是莱特兄弟。在当时大多数人认为飞机依靠自身动力的飞行完全不可能，而莱特兄弟确不相信这种结论，从1900年至1902年他们兄弟进行1000多次滑翔试飞，是什么意思？

Beginning of this century in the United States has a pair of brothers who in the world history of the aircraft made a significant contribution, they are the Wright Brothers. At the time most people think airplane flying on their own power impossible, and the Wright brothers do not believe this concl

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At the beginning of had pair of brothers in US they to make the significant contribution in the world airplane history, they were Brother Wright.In at that time the majority people thought the airplane depends upon own power the flight not to be completely impossible, but Brother Wright did not beli

The beginning of the century in the United States has a pair of brothers their aircraft in the world has made an important contribution to the history, they were the Wright brothers. Rely on their own power at that time the prevailing view was that aircraft flying out of the question, and the Wright

A pair of brother and others made the great contribution in U.S.A. in the history of plane development of the world on beginning of this century, they are Letts' brothers. In most people thought at that time the plane depended on the flight of one's own motive force was totally impossible, Letts tru