Gliding distance is an imperfect measure of an airliner's aerodynamic efficiency, since it is not designed for gliding.
其实滑翔距离并不能作为客机气动效率的评价手段，因为这不是它的设计初衷。
Wing outfit flight is also called short distance sky gliding sport, which was born less than 20 years.
翼装飞行也叫近距离天际滑翔运动，诞生不到20年的历史。
Wing outfit flight is also called short distance sky gliding sport, which was born less than 20 years.
翼装飞行也叫近距离天际滑翔运动，诞生不到20年的历史。
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