However, the semicircular canals that the researchers stimulated to control walking and balance detect rotational movements of the head, not the direction of gravity.
然而研究人员通过刺激可以控制行走和平衡的半规管却是检测头部的转动而不是重力的方向。
From the Twin hook, apical hooks are deployed to gain fixation within the femoral head and to provide rotational stability.
调整双钩的顶钩以固定在股骨头中并提供旋转稳定性。
The crimped head design, prevents solids from dislodging the seal face, allows the seal to withstand higher pressure and rotational speed and eliminates the metal shell from contacting the seal ring.
波纹式头部设计，防止固体颗粒从密封面上撞出，使得密封能够抵抗更高的压力和旋转速度，避免金属壳接触到密封环。
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