rotation
英 [rə(ʊ)'teɪʃ(ə)n]
美[ro'teʃən]
- n. 旋转；循环，轮流
英英释意
- 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"