rotations

英 [rəʊˈteɪʃənz]

美 [roʊˈteɪʃənz]

n.  旋转; 转动; (旋转的)一周，一圈; 轮换; 交替; 换班
rotation的复数

柯林斯词典

• N-VAR 旋转;转动
  Rotationis circular movement. Arotationis the movement of something through one complete circle.
  1. ...the daily rotation of the earth upon its axis.
     地球每天绕地轴自转
• N-UNCOUNT 轮流;轮班
  Therotationof a group of things or people is the fact of them taking turns to do a particular job or serve a particular purpose. If people do somethingin rotation, they take turns to do it.
  1. He grew a different crop on the same field five years in a row, what researchers call crop rotation...
     他连续5年在同一块地里种植不同的作物，研究人员称之为轮作。
  2. Once a month we met for the whole day, and in rotation each one led the group.
     我们每个月聚在一起一整天，轮流担任领队。

双语例句

• For geophysical purposes it is customary to use solar rotations of 27. 0 day.
  为适应地球物理学的需要，习惯上以27.0日为太阳自转周期。
• Increase the number of rotations per minute.
  加快每分钟转动的次数。
• Farmers traditionally used long-term rotations of hay, pasture, and corn.
  农民以往长期实行干草、牧草和玉米轮作。
• Arcs: The parts of an articulated skeleton move as a result of joint rotations.
  弧线运动：连接的骨骼运动起来是分节进行的。
• You will see more about rotations on the problem set.
  在题集里面你们会看到更多关于旋转的问题。
• Astronomical yearbooks and calendars for amateur astronomers provide the times of the beginning of the synodic solar rotations as well as the longitudes Lo.
  天文年历和日历为业余天文学家提供了太阳会合自转周期的始时和经度Lo。
• The dot product between two rotations.
  两个旋转之间的点乘。
• There are two main arguments for this: avoiding gimbal lock, and allowing smooth interpolation between rotations.
  这里我有两个主要的理由：避免万向节锁，在旋转时允许平滑插值。
• Current wheel axle rotation speed, in rotations per minute ( Read Only).
  当前轮轴旋转速度，每分钟转速（只读）。
• At least three full rotations must be performed.
  必须完成至少3圈完整的平转。