这架飞机拥有由玻璃纤维和碳纤维制成的双体机身，由前部的鸭翼、中部的机翼和尾部的水平安定面连接在一起。

The vehicle sports twin-fuselages made of fiberglass and carbon fiber which are connected by a canard in the front, an airfoil in the middle and a horizontal stabilizer.

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总而言之，发达经济体的复苏很可能疲弱乏力，并低于趋势水平，全球经济面临遭遇双底型衰退的巨大风险。

In summary, the recovery is likely to be anaemic and below trend in advanced economies and there is a big risk of a double-dip recession.

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D系列飞机采用了一种独特的“双体”外形机身，即类似于将两个柱体融合在一起的形式，改变了传统的单体机身。

Instead of a single-fuselage cylinder, the D series melds two partial cylinders into a distinctive “double-bubble” shape.

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