反折的覆盖面和阅读只有一个手感舒适。
Fold back the cover and read comfortably with just one hand.
纤细的或加厚和差不多作为宽作为果，直立，上升，极叉开，或反折的果梗。
Fruiting pedicels slender or thickened and nearly as wide as fruit, erect, ascending, divaricate, or reflexed.
本文研究了自由翼的翼型的几何特征，表明它们的中弧线都具有反折的特点；
The geometry of airfoils, which is proper for the free-wings, was numerically investigated and the results indicated that the airfoils must be featured by the S-shaped camber.
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