They have a wing span of around 2.75 meters (9 feet).
它们翅翼展开可达二点七五米(9英尺)。
However, by combining the use of trailing-edge flaps with leading-edge slats, the wing's lift coefficient can be effectively doubled if used on the full span of the wing.
然而板条，结合边缘皮瓣与领先使用的后缘，机翼的升力系数，可有效地增加一倍，如果用在机翼完整的跨度。
Some eagles have a wing span of one and a half meters.
有些鹰的翅膀展开长达一米半。
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