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rotation [rəu'teiʃən] 
词性及解释
  • n.
    旋转, 循环, 轮流
  • 【计】
    旋转
  • 【化】
    自转; 转动; 旋转
  • 【医】
    旋转, 转动
  • 【经】
    循环, 轮流, 交替
词形变化
形容词: rotational
英英解释
  • 1.
    n.the act of rotating as if on an axis
    [例]
      the rotation of the dancer kept time with the music
  • 2.
    n.a planned recurrent sequence (of crops or personnel etc.)
    [例]
      crop rotation makes a balanced demand on the fertility of the soil
      the manager had only four starting pitchers in his rotation
  • 3.
    n.a single complete turn (axial or orbital)
    [例]
      the plane made three rotations before it crashed
      the revolution of the earth about the sun takes one year
  • 4.
    n.(mathematics) a transformation in which the coordinate axes are rotated by a fixed angle about the origin
常用词组
习惯用语
  • 1.
    crop rotation (=rotation of crops)
    轮种, 轮种制
  • 2.
    in[by] rotation
    轮流地, 交替地; 周期地
例句
  • 1.
    AN instrument used to measure the rotation of the plANe of polarization of polarized light passing through AN optical structure or sample.
    偏振计;旋光计用来测量经过光学结构或样品的极化光的偏振平面旋转的一种仪器
  • 2.
    AN erotic rotation of the pelvis.
    淫荡地晃动卖弄色相地扭动臂部的动作
  • 3.
    But some caution is needed in choosing the center of rotation to be employed in evaluating the torques AND calculating the motion
    但是,在选择用来求力矩和计算运动的转动中心时,需要注意几个问题。
  • 4.
    Simultaneously, a rotation system is in place for lumbering bASes so AS to help restore vegetation
    同时,对采伐基地进行及时更新,恢复森林植被。
  • 5.
    Under the action of all these loads, we can determine the Angles of rotation at the ends of each simple beam.
    在所有这些荷载作用下,我们可以确定每根简支梁端头的旋转角。
  • 6.
    If accretion takes place in eccentric orbits As well, the rotation will be prograde and of the right order of magnitude
    如果吸积发生在偏心轨道,则自转将是正向的,且快慢也合适。
  • 7.
    In the CASE of the moon the rotation keeps pace exactly with the revolution.
    月球的自转与公转精确地同步。
  • 8.
    Dynamics Rotation Controller
    动力学旋转控制器
  • 9.
    Faraday rotation circulator
    法拉第旋转式环行器
  • 10.
    The opposite movement of downward rotation IS brought about through the action of the rhomboids and the levator scapulae
    和下旋相反的活动是通过菱形肌、提肩岬肌产生的。
词汇级别

小测验:选择正确的单词

n. 圆形建筑, 圆形大厅
  • A.rdotula
  • B.rdotund
  • C.rdotunda
  • D.rdotundity

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