rotational

转动的；回转的；轮流的中释adj

1 rotational speed,旋转速度，角速度；圆周速度

2 rotational grazing,循环放牧

3 rotational inertia,转动惯量；转动惯性；惯性矩

4 rotational flow,旋流

5 rotational molding,旋转模塑；旋转成型

6 rotational velocity,自转速度；转动速度；围速

7 rotational motion,回转运动；转动运动

8 rotational symmetry,旋转对称；轴对称

9 rotational movement,转体动作

1 The length refers to the length of the arm; because the throwing motion is rotational from the shoulder out, the atlatl simply lengthens the arm to increase the throwing speed and force..长度是指胳膊长度，因为抛扔运动是以肩膀关节为中心的旋转运动，这样一来，飞镖投掷器只不过是手臂的延长，因此，增加了投掷的速度和力量。