更多口语 论坛口语学习
 
您当前位置:首页 > R开头的英语单词 > rotation是什么意思

rotation是什么意思

  作者:恒星英语学习网     所属分类:R开头的英语单词     

rotation 是什么意思

音标:[ rəu'teiʃən ]  

中文翻译与英英解释

n.
1.旋转;轮转;循环。
2.【天文学】自转。
3.【物理学】旋度。
4.轮流,轮换;交替。
5.【农业】轮作;【林业】轮伐(期)。
短语和例子
by [in] rotation 轮换,轮流。
the act of rotating as if on an axis; "the rotation of the dancer kept time with the music"
同义词:rotary motion,

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"

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"
同义词:revolution, gyration,

(mathematics) a transformation in which the coordinate axes are rotated by a fixed angle about the origin

A rotation is a circular movement of an object around a center (or point) of rotation. A three-dimensional object rotates always around an imaginary line called a rotation axis.

例句与用法

1.Soon this frenzied rotation slows down .
不久,这种疯狂的自转便减慢了。

2.The rotation in the elliptic is retrograde .
在椭圆内的运动属于逆进型。

3.The base of the tower is restrained against rotation .
塔基受到转动约束。

4.A counterweight balances the rotation .
有一个砝码平衡回转。

5.Find the number of degrees of rotation of the lower member .
求下杆转动的度数。

6.The chairmanship of the committee changes in rotation .
委员会主席一职是轮流担任的。

7.There are two evident advantages of this type of rotation .
这种形式的调动有两个明显的优点。

8.The crankshaft makes three rotations for each rotation of the rotor .
转子每转一周,曲轴转3周。

9.The disks between the vertebrae serve as the pivots of rotation .
脊椎之间的基状物起着旋转枢轴的作用。

10.The cycle sum of the rotation group of the octahedron was calculated .
正八面体的旋转群的循环和已算出。

上一篇: rage是什么意思
下一篇: 返回列表
 
恒星英语 | 恒星英语论坛 | 英语口语 | 加入收藏 | 英语群组 | 英语家园 | 网站应用 | 答疑解惑 | 恒星英语学习网 © 2011 Hxen.com 粤ICP备07024815号