流过鸟翅膀的空气在翼尖后向上流动,这种现象被称为上升流。
The air flowing over a bird's wings curls upwards behind the wingtips, a phenomenon known as upwash.
第二种假设似乎不太可能,因为大型翼龙不可能在不损害翅膀的情况下降落在树上。
The second hypothesis seems unlikely because large pterosaurs could not have landed in trees without damaging their wings.
猩红的翅膀到了翼端渐变成浅红。
约一亿六千万年前,一只雌性翼龙隐翅膀受伤而坠落,葬身水底。
About 160 million years ago, a female pterosaur with an injured wing dropped from the sky into a watery grave.
翼龙的每个前肢都有一根长长的第四指,支撑着像翅膀一样的膜。
In pterosaurs a greatly elongated fourth finger of each forelimb supported a wing-like membrane.
约一亿六千万年前一只雌性翼龙隐翅膀受伤而坠落,葬身水底。
About 160 million years ago a female pterosaur with an injured wing dropped from the sky into a watery grave.
皮瓣或金属板驱动系统在飞机按照要求24个,其中说,第一届和第二届高扬程设备集团设在同一间翼说,两个翅膀。
The flap or slat drive system in the aircraft according to claim 24, wherein said first and second high-lift device groups are located on a same wing among said two wings.
从侧面,车辆表现出强烈的轮廓,其突出的前翼,造型非常方特别慷慨后方翅膀。
From the side, the vehicle displays a strong profile with its prominent front wings, deeply sculpted sides, and particularly generous rear wings.
翅膀是支撑钢翼双支柱,并固定在去除附着在机身和机翼的客舱与四架螺栓容易。
The wings are braced by dual steel wing struts, and are bolted to the fuselage at the cabin frame with four bolts for easy wing attachment and removal.
另外,翼龙的腿和翅膀要比任何可以相提并论的鸟类或蝙蝠都要强壮,这一点强化了它们可以急速腾空的观点。
Moreover, the pterosaurs' legs and wings were stronger than those of any comparable bird or bat, reinforcing the idea that they could leap rapidly into the air.
北美洲东部大型金翼啄木鸟,颈红色,腹部、翅膀和尾巴为黄色。
Large flicker of eastern North America with a red neck and yellow undersurface to wings and tail.
构想由McDonnellDouglas合并并由波音公司开发的混合翼体(BWB)概念客机是无缝匹配于一个宽机身与高纵横比的翅膀。
Conceived pre-merger by McDonnell Douglas and developed by Boeing, the blended wing body (BWB) concept is based on a wide fuselage mated seamlessly with high-aspect-ratio wings.
翼装飞行能够实现,主要得益于翼装特有的翼膜构造,就像给人插上鸟一样的翅膀,可以在空中飞翔。
Depending on the special wing membrane structure, wing outfit flight can make human being flying freely in the sky with bird-like wings.
伤翼打伤…的翅膀,如打伤猎鸟的翅膀。
伤翼打伤…的翅膀,如打伤猎鸟的翅膀。
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