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

• The TG70 steam turbine has a operation speed of9600 rotations per minute ( RPM).
  TG70型蒸汽透平的运转速度为每分钟9600转。
• Rotations, if it's a diatomic molecule, will be two different degrees of freedom.
  对于双原子分子，转动有两个不同的自由度。
• The action of eating matter speeds up the pulsar's spin to hundreds of rotations a second.
  这种吸取物质的行为使得脉冲星的自转速度加速至一秒种几百次。
• They work in 12-hour shifts, on rotations determined by their departments.
  他们的工作为12个小时一班，由他们的部门决定轮换次序。
• 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。
• The dot product between two rotations.
  两个旋转之间的点乘。
• 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。
• 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。
• The crankshaft makes three rotations for each rotation of the rotor.
  转子每转一周，曲轴转3周。
• I commenced my clinical rotations excited to discover my niche within medicine and decipher my interests and strengths.
  我开始着手一边享受医学给我带来的兴奋一边寻找我自己的兴趣和强项所在。