竖直游时，它用两排和身体长度相当或更长的纤细的桨状突起来控制方向和移动，两排突起的形状就像是两串多米诺骨牌。
Swimming upright, it navigates by moving two body-length rows of thin, paddle-shaped protrusions that cascade like dominoes.
它们只要往想去的方向倾斜翅膀，就可以前进，后退，或横向移动。
They can go forward, backwards, or sideways by tilting their wings in the direction they want to go.
目的：本实验旨在研究伸展或联合伸展及侧方屈曲是否能使纤维环的突出部分向髓核方向移动。
Objective. This study investigated whether extension or combined extension and side flexion could move the displaced portion of nucleus from the anulus towards the nucleus.
应用推荐