柔韧性

What the team discovered is that the key to the hoverfly’s successful hovering is the flexibility of its wings.

这个小组所发现的是，食蚜虻在空悬停的关键是牠的翼的柔韧性。

Results To be overweight and superfatted is universal phenomena about midlife in-service cadre,which cause weak heart and lung and renitent muscle and ligamenta of waist.

结果超重及脂肪含量超标是中年在职干部普存在的,由此导致心肺能力下降、腰部肌肉和韧带的柔韧性降低等一系列。