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    1. 首頁英語詞典rotationrotation英英釋意

      rotation

      英 [r?(?)'te??(?)n] 美[ro'te??n]
      • n. 旋轉(zhuǎn);循環(huán),輪流

      英英釋意


      1. the act of rotating as if on an axis;
      "the rotation of the dancer kept time with the music"
      2. (mathematics) a transformation in which the coordinate axes are rotated by a fixed angle about the origin
      3. a single complete turn (axial or orbital);
      "the plane made three rotations before it crashed"
      "the revolution of the earth about the sun takes one year"
      4. a planned recurrent sequence (of crops or personnel etc.);
      "crop rotation makes a balanced demand on the fertility of the soil"
      "the manager had only four starting pitchers in his rotation"