This puts it on the tail of Sikorsky's experimental X2, which has set an unofficial world record for a helicopter by flying at just over 460kph.

西科斯基公司实验性的X2的螺旋桨则放在飞机的尾部。这架X2已创造了一个刚刚超过每小时460公里的非正式世界纪录。

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While both competitors are tailless flying wings powered by single turbofans, the X-47B was designed for carrier operations and features folding wings and a tail hook.

参与竞争的两种无人机均为单一扇涡轮驱动的无尾翼飞行飞机，除此以外，X - 47 B被设计用于航母作战，具有可折叠机翼，并装备有尾部吊钩。

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With one's hair flying back like the tail of a race-horse.

头发飞扬，就像一匹赛马会上跑马的尾巴。

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The striped tail flying proudly is a bold symbol of both our origin and our name.

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