2.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,食蚜间成功悬停的关键是牠的翼的柔韧性。
3.A theory of aeroelastic stability of hingeless rotor blade in hover by using the Galerkin weighted residual finite element method is developed in this paper.