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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"