rotation
旋转,转动;轮流,循环;[农]轮作;[天]自转
变形
复数:rotations
英英释义
rotation[ rəu'teiʃən ]
- n.
- the act of rotating as if on an axis
"the rotation of the dancer kept time with the music"
同义词:rotary motion
- (mathematics) a transformation in which the coordinate axes are rotated by a fixed angle about the origin
- a single complete turn (axial or orbital)
"the plane made three rotations before it crashed"
同义词:revolutiongyration
- 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"
- the act of rotating as if on an axis
词组短语
rotation speed旋转速度,转速;自旋马达之回转数
rotation angle旋转角;旋转角度;回转角度
rotation rate自转速率
crop rotation轮作
earth rotation地球自转
rotation axis旋转轴
direction of rotation旋转方向
clockwise rotation顺时针转
axis of rotation旋转轴;转动轴
optical rotation旋光度;旋光性;偏振转
rotation direction转动方向
reverse rotation反转
mental rotation心理旋转
angle of rotation转动角;自转角;旋光角
job rotation工作轮换
faraday rotation[物]法拉第旋转;法拉第效应旋光性
phase rotation相位旋转
specific rotation[化]旋光率;比旋度
free rotation自由转动,自由旋转
angular rotation角旋;角位移;角转动
双语例句
- The rotation of the earth round the sun takes one year.
地球绕着太阳旋转要一年时间。 - Walling under the rotation radius of crane boom is prohibited.
吊臂旋转半径下,禁止人行走。 - The rotation of the dancer kept time with the music.
那个舞者跟随音乐的节拍旋转身体。 - The seasons follow each other in rotation.
四季循环交替。 - The rotation of crops keeps the soil healthy and fertile.
谷物轮种使土壤保持了肥力和高质。 - The chairmanship of the committee changes in rotation.
委员会主席一职是轮流担任的。