“双泡沫”机头部宽大、向下倾斜，导致气流上升获得升力，所以它的尾翼可以更小。
The Double Bubble sports a wide, downward-sloping nose which airflow pushes up, so its tail wings can be much smaller.
这将增加飞机的升力，并且因此能够允许更长、更薄的机翼，以及更小的尾翼，从而还可以减小阻力。
This adds to the lift and allows for longer, skinnier wings and a smaller tail, reducing drag.
这种地效翼船水平尾翼，升力大、面积小、生产成本低。
The horizontal tail wing of the wing-in-ground effect craft has the advantages of great ascensional force, small area and low production cost.
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