䴙䴘目鸟类有独特的食羽行为，但对进入消化道后羽毛的功能、消化机理等存疑及争议颇多。
Grebes have a unique feather-eating behavior, but there are many suspicion and dispute on the mechanism of the digestion process and the function of feathers in the digestive tract.
当这些小钩子与邻近羽刺上的类似结构结合在一起后，便形成了羽毛的结构网络，看似轻柔，但又异常牢固。
When these grasp on to the hooklets of neighboring barbules, they create a structural network that's featherlight but remarkably strong.
在大气层某一定的高度以上，火箭后体上的边界层将会由于羽流引起分离。
Above some altitude within atmosphere layer, the boundary layer on after body will separate due to plume.
并对燃烧后的烟气羽流的上升速度，羽流上升过程中温度下降幅度产生不同的影响。
Then it will affect the plume's ascending velocity and the temperature drop scope in the plume rise process.
出飞后笼养雏鸟的“理翅羽”和“一侧翅下展，同时同侧脚下伸”行为频率最高，分别为18.81%和11.88%。
After leaving nest, the captived youth had two high frequency behavior as 18.81%(to comb the wings) and 11.88%(to stretch down both wing and leg in same side).
在尝试从GSP手中夺取中量级冠军头衔失败后，也许是时候他去尝试一下更轻一级别的比赛，即去争夺WEC羽重量级别冠军头衔。
He's tried and failed to take away the middleweight title from GSP. Perhaps it's time for him to compete in the division on the lower side of the lightweight division, the WEC featherweight title.
在尝试从GSP手中夺取中量级冠军头衔失败后，也许是时候他去尝试一下更轻一级别的比赛，即去争夺WEC羽重量级别冠军头衔。
He's tried and failed to take away the middleweight title from GSP. Perhaps it's time for him to compete in the division on the lower side of the lightweight division, the WEC featherweight title.
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