在飞行中的

In the course of evolution, some birds have lost the power of flight.

进化的过程中, 一些鸟丧失了行能。

Except the centralized load impressed from plane other components and airload, the plane gun bay structure is also endured the wallop of the navigate gun launching.

机行过程中，炮舱结构除承受机其它零部件传递的集中载荷和空气气动载荷外，还要承受航炮发时的冲击，整个结构始终处于不规则的振动状态。

Any of various small arboreal marsupials of the family Phalangeridae, of Australia and adjacent islands, having a long tail and dense woolly fur and including the cuscus and the flying phalanger.

袋貂结趾科中的一种栖于树上的小型有袋动物，生大利亚及其毗临岛屿上，有尾和浓密的皮毛，包括袋猴和行袋貂。