52词语>英语词典>rotation翻译和用法

rotation

英 [rəʊˈteɪʃn]

美 [roʊˈteɪʃn]

n.  旋转; 转动; (旋转的)一周,一圈; 轮换; 交替; 换班

复数:rotations 

CET4CET6TOEFLTEM4计算机

BNC.6205 / COCA.5230

牛津词典

    noun

    • 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
    • (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。
    • 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。

    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。

    英英释义

    noun

    • the act of rotating as if on an axis
      1. the rotation of the dancer kept time with the music
      Synonym:rotary motion
    • 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
    • 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
    • (mathematics) a transformation in which the coordinate axes are rotated by a fixed angle about the origin

      双语例句

      • 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。
      • It controls spindle motor rotation and heads movements.
        它控制主轴马达转动和磁头运动。
      • 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。
      • 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。
      • 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。
      • 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。
      • 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。
      • 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。
      • 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。
      • 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。