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1·It is a very pretty butterfly, with a 2 inch wing span.

它是一只非常漂亮的蝴蝶，翅膀张开有2英寸宽。《柯林斯英汉双解大词典》

2·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)。

3·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。

4·The double-decker plane has a wing span wider than a football field and hold more than 500 passengers.

这架双层飞机的机展比一个足球场还宽，可载客五百余人。

5·Built from carbon fibres and balsa wood, Snowbird has a wing span of 32m (105 feet) - comparable to a Boeing 737.

雪鸟是由碳纤维和轻质木制成的，机翼长总32米(105英尺)，堪比波音737。

6·With a wing span measured in light years, Barnard 163's insides are surely colder than its exterior, allowing conditions where gas can clump and eventually form stars.

Barnard 163有一条长度以光年记的侧翼，其内部肯定要比外部寒冷，这才让气体能够在其中凝结，最终形成恒星。

7·Hoerner wing tips provide the largest effective span for a given geometric span or a given wing weight.

霍纳翼尖翼提供给定的重量最大有效跨度为给定的几何大跨度或。

8·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。

9·The lift coefficient can thus be effectively doubled with relatively simple devices (flaps and slats) if used on the full span of the wing.

该升力系数因此，可以有效地增加一倍，相对简单的装置(襟翼和缝翼)，如果使用对充分跨度机翼。

10·Tip vortex goes downstream outward along the span direction, and the induced drag of the wing decreases.

翼尖涡沿着展向方向向外移动，机翼诱导阻力减小。