因为它们的两副翅膀叠在一起，在空气动力学的理论中，这意味着它们对自己身体缺乏控制力。
Because their two sets of wings effectively flap as one, that in theory gives them little control over the aerodynamic forces on their body.
他几乎没有对未来做预言，除了暗示飞机翅膀可能很快就会有短毛，因为这种“羽毛特性”会降低拖力，因而更节约燃料。
There is little in the way of future predictions, apart from the suggestion that aeroplane wings may soon have bristles, a "fuzziness" that would reduce drag and therefore be more fuel-efficient.
i想象力(imagination)：伸出你想象的翅膀去追寻你的梦想，找出达到你目标的实施方法。
I imagination (imagination) : out of your imagination to pursue your dreams to find ways to reach your target implementation.
有时，你会让你的想象力插上翅膀自由飞翔一会儿。
灵感和想象力是艺术创作的两只翅膀。
Inspiration and imagination are the two wings of artistic creation.
同时海报设计也很有想象力，让女孩儿的背后长出了像蝴蝶一样的翅膀，仿佛女孩儿因美丽而翩若仙子。
Meanwhile poster design is also very imaginative, so that girls grow up behind like a butterfly's wings, as if the girl because of the beautiful and Pina, if fairy.
他们说这些罐子的制造商制造它们和飞机制造商制造飞机翅膀用了同样的注意力和精密。
And they say that the manufacturers of these cans exercise as much attention and precision in producing them as aircraft manufacturers do when they make the wing of an aircraft!
结果表明：蝴蝶主要用“阻力原理”作拍动飞行，即平衡身体重量的举力和克服身体阻力的推力均主要由翅膀的阻力提供。
The results shows that the vertical and thrust forces of the wings, which balances the weight and the body drag, are mainly contributed by the drag of the wings.
神奇的想象力就好象生活的翅膀，带我们邀游在充满创意的自由天空。
The wonder of imagination in like wings of life, bringing us to explore most creative an free space.
好的童话就像一把锁，能锁住孩子想象力的隐形翅膀。
Good fairy tale is a lock that keeps the children's invisible wings of imagination safe.
他的想象力有类于鸵鸟的翅膀。
他们的记忆是短暂的，因为他们忘记了这个已经取得的成就，忘记了一旦共同的目标插上理想的翅膀、现实的要求鼓起勇气的风帆，自由的人民就会爆发出无穷的创造力。
Their memories are short. For they have forgotten what this country has already done; what free men and women can achieve when imagination is joined to common purpose, and necessity to courage.
沿船舷上升的气流以及与顺着船只航行方向流动的气流产生的足够浮力和前进力，托住信天翁的巨大翅膀使之飞翔。
The currents of air that the walls of the ship direct upwards, as well as in the line of its course are enough to give the great bird with its immense wings sufficient sustenance and progress.
如果翅膀拍动对称的同时转动对称，就可认为翅膀的扑动是严格对称的，此时翅膀惯性力可以忽略。
How to design the control mechanic of insect-like flapping wing air vehicle to increase the symmetrical and eliminate the influence of inertia force was discussed at last.
如果翅膀拍动对称的同时转动对称，就可认为翅膀的扑动是严格对称的，此时翅膀惯性力可以忽略。
How to design the control mechanic of insect-like flapping wing air vehicle to increase the symmetrical and eliminate the influence of inertia force was discussed at last.
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