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

• Only use translations, scales and rotations to animate each object composing the animation.
  动画中用到的对象只能进行平移、缩放和旋转三种操作。
• 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。
• 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）。
• 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。
• At least three full rotations must be performed.
  必须完成至少3圈完整的平转。
• We must establish crop rotations which will help to minimize disease.
  我们必须建立有助于减少疾病的作物轮作制。
• During the past four lectures, we have dealt with angular momentum, torques and rolling objects and rotations.
  前四讲中，我们讨论过角动量，力矩滚动物体及旋转。
• Dynamic changes of soil enzyme activities during growth of corps under different tillage types and rotations
  不同耕作和轮作方式下作物生育期内土壤酶活性的动态变化特征
• The first boundary error has to be weighted by rotations and second by displacements.
  第一个边界误差要用转角来加权，而第二个则用位移来加权。