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。

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Mbaya Malangje doubled Vita's lead in the 27th minute with a strike from the edge of the box.

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Zarate's efforts were rewarded again when he doubled the home side's lead with a superb low angled drive from the edge of the area in the 54th minute.

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The lively Johnson all but put the final nail in the coffin when he doubled the home side's lead with a low strike from the right-hand edge of the box.

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