有奖纠错
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科学60秒 听力 2013年12月合集

And the trailing edge has a flexible fringe, unlike the rigid trailing edge of a conventional bird wing.

接下去尾端一小段柔韧的一般的羽翼末端那样坚硬。

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TED-Ed(视频版)

In reality, the air traveling above reaches the wing's trailing edge much faster than the air beneath.

实际上,上方的空气到达机翼的速度比下方的空气快得多。

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纯飞行

If you look closely at the static wick, you'll see  it's made from a cord-like structure riveted to the skin of the trailing edge.

如果您仔细观察静电芯,您会发现铆接在蒙皮上的绳状结构制成的

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TED-Ed(视频版)

For the air molecules above to reach the wing's trailing edge in the same instance as those that split off and went below, air must travel faster above, creating a pocket of lower pressure that lifts the plane.

为了使上方的空气分子与那些分裂并进入下方的空气分子在同一情况下到达机翼的,空气必须在上方更快地移动, 从而形成一个低压袋来提升飞机。

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