rotation

noun

1. 旋转；转动
   the action of an object moving in a circle around a central fixed point
   1. the daily rotation of the earth on its axis
      地球每天的自转
2. （旋转的）一周，一圈
   one complete movement in a circle around a fixed point
   1. This switch controls the number of rotations per minute.
      这个开关控制着每分钟的转数。
3. 轮换；交替；换班
   the act of regularly changing the thing that is being used in a particular situation, or of changing the person who does a particular job
   1. crop rotation/the rotation of crops (= changing the crop that is grown on an area of land in order to protect the soil)
      庄稼的轮作
   2. Wheat, maize and sugar beet are planted in rotation .
      小麦、玉米和甜菜是轮流种植的。
   3. The committee is chaired by all the members in rotation .
      委员会由所有成员轮流主持。

1. N-VAR 旋转;转动
   Rotation is circular movement. A rotation is 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
2. N-UNCOUNT 轮流;轮班
   The rotation of 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 something in 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。

1. 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。
2. The workers in this workshop do day and night shifts in weekly rotation.
   这个车间的工人上白班和上夜班每周轮换一次。
3. We have a system of job rotation and sharing among staff.
   我们在职工中实施一套工作轮换和分担的制度。
4. Creates a translation, rotation and scaling matrix.
   创建一个平移、旋转和缩放矩阵。
5. Or the limiting displacement bar is positioned in the axial direction and is in rotation connection with the body.
   所述限位杆包括固定连接在主体上的限位杆本体和轴向被定位的与本体转动连接的防磨头。
6. The E-vector makes one complete rotation as the wave advances through one wavelength.
   当波前进了一个波长之后，E矢量转了一整周。
7. We believe that sunspots and many other solar activities are due to this differential rotation.
   我们相信太阳黑子和不少太阳的活动，皆是由较差自转所造成的。
8. It's not so different for rotation.
   所以对转动来说也没什么不同。
9. This modifies both the position and the rotation of the transform.
   这个修改变换的位置和旋转角度。
10. You can specify the day ( s), time, and rotation schedule for the backup.
    您可以为备份指定天，时间和循环计划。
11. Pneumatic or hydraulic pump/ motor with optional flow and rotation directions, displacement, and controls.
    其流向或旋转方向、排量和控制装置可以选择的气动或液压泵/电动机。
12. SYNCH and MAD outputs in calculating lattice with coordinate rotation have been studied in this paper.
    用SYNCH和MAD程序计算了一些含有坐标旋转的束流系统。
13. Rotation of the hands and forearms so that the palms face upward.
    手和前臂的旋转以致手掌朝上。
14. It controls spindle motor rotation and heads movements.
    它控制主轴马达转动和磁头运动。
15. One end of the rotation axle is connected with an electromagnet by a pull rod and a weight rod.
    转动轴的一端通过拉杆和重锤杆与电磁铁相连。
16. This allows for skewing and rotation of graphics objects.
    这允许图形对象的相位差和旋转。
17. The model offers a reasonable explanation for the flatness of the rotation curves of galaxies.
    本模型给星系旋转曲线的平坦性提供了合理的解释。
18. The sun appears to rise and set because of the earth's rotation.
    因为地球在自转，看上去就有了日出和日落。
19. In the last chapter, rotation and translational motion is studied to formation reconfiguration.
    最后一章探讨了同时进行平移运动和旋转运动的编队重构问题。
20. The direction of rotation must be observed when loosening and tightening.
    松开和拧紧时必须注意旋转方向。
21. Bearing this can compensate for rotation between the shaft and housing suitable The skew.
    轴承由此可以补偿旋转轴和轴承座之间适量的偏斜。
22. Untimed rotors rely on precision and accuracy of the screw forms for proper mesh and transmission of rotation.
    时序的转子依靠精确和适当网格和旋转的螺旋形式传输的准确性。
23. In this paper, mechanism of limb rotation in growth strata and technique of seismic facies analysis are used.
    运用生长地层翼旋转机理和地震相分析技术对研究区的沉积类型、构造与沉积关系进行了分析。
24. This paper studies the vibration stability of rectangular shaft on variable rotation.
    本文研究了扁平轴变速回转时的振动稳定性问题。
25. The spiral horn of sheave and rotation speed had influence on sowing performance.
    说明了槽轮的螺旋角度和转速对排种性能的影响。
26. This is a graph of the rotation angle of each rotation is90 degrees, is this function.
    这是一个图形的旋转，每次旋转的角度是90度，就是这个功能。
27. Torque depends on the magnetic field strength and rotation difference.
    转矩大小取决于磁场强度和转速差。
28. This stops the rotation from being perfect linear or mechanical looking.
    这会停止完全直线的旋转和机械的感觉。
29. The Robot can be interacted with other moving servo motors such as part rotation or automatic part loading.
    机器人可以与其他的运动伺服电机联合运动。如零件的旋转和自动零件加载。

noun

1. the act of rotating as if on an axis
   1. the rotation of the dancer kept time with the music

   Synonym:    rotary motion

2. a planned recurrent sequence (of crops or personnel etc.)
   1. crop rotation makes a balanced demand on the fertility of the soil
   2. the manager had only four starting pitchers in his rotation

3. a single complete turn (axial or orbital)
   1. the plane made three rotations before it crashed
   2. the revolution of the earth about the sun takes one year

   Synonym:    revolutiongyration

4. (mathematics) a transformation in which the coordinate axes are rotated by a fixed angle about the origin