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词汇 rotation
释义 rotation
noun
uk /rəʊˈteɪ.ʃən/ us /roʊˈteɪ.ʃən/

rotationnoun (CIRCULAR MOVEMENT)


[ U ]
movement in a circle around a fixed point: (尤指围绕一个固定点)旋转,转动
the speed of rotation转速
[ C ]
a complete circular movement around a fixed point: 旋转的一圈
rotation aboutThe earth completes 366 rotations about its axis in every leap year.在每一个闰年里,地球绕地轴自转366圈。
SMART Vocabulary: related words and phrases

Revolving, rotating and spinning
around
around and aroundidiom
backspin
birl
centrifugal
reel
revolving
rotary
rotate
rotational
rotative
spin
spiral
swim
swing
swizzle
twirl
twirling
twirly
underspin

rotationnoun (SYSTEM)


[ C or U ]
the act by farmers of regularly changing which crops they grow in a field: 轮作;换茬(农民有规则地改变地里种植的植物)
crop rotationCrop rotation is the best step to fight pests and diseases that live in the soil.
[ U ]
the act of different people doing the same job at different times: 轮班(不同的人在不同的时间做相同的工作)
the rotation of key positions such as that of chairman重要职务如主席等的轮流担任
[ C ]
in a baseball team, the group of players who take regular turns to start games as the pitcher(= the player who throws the ball to opponents who try to hit it):
The Dodgers will use a five-man rotation.
Atlanta has one of the National League's strongest rotations.
SMART Vocabulary: related words and phrases

Changing
about-face
about-turn
alterable
altered
alternate
churn
disturb
make an about-turn
make something into something
malleable
meta
metamorphose
morph
pervert
revolutionize
rollback
rotational
sanitization
semi-domesticated
transcribe

You can also find related words, phrases, and synonyms in the topics:


Baseball & rounders

Idiom


in rotation

rotation | American Dictionary


rotation
noun[ C/U ]
us/roʊˈteɪ·ʃən/

rotationnoun[C/U] (TURNING)


the act of turning around a fixed point:
[ C ]Two rotations of the dial opens the lock.

rotationnoun[C/U] (TAKING TURNS)


the act of things happening in turns, or happening in a particular order:
crop rotation

rotational


adjective[ not gradable ]us/roʊˈteɪ·ʃə·nəl/

rotation | Business English


rotation
noun[ C or U ]
uk /rəʊˈteɪʃən/us
WORKPLACE, HR
the process of regularly changing the person who does a particular job, so that it is done at different times by different people:
in rotationThey all work the night shift in rotation.
Italy has rules on the mandatory rotation of auditing firms at regular intervals.
STOCK MARKET
→ sector rotation

See also


job rotation

Examples of rotation


rotation
An incremental navigation formula used the information about 3 possible rotations of the body in relation to a nonmoving world frame.
Therefore, future research should focus on energy production of integrated versus grain-based rotations where different proportions of the grain crops are used for livestock feed.
On the fifth farm, this pattern was isolated in two houses in consecutive rotations during spring and summer 1998.
One issue is the representation of the rigid body motions of rotations and translations as elements within the algebra.
The aim is to minimise this performance measure, and it has certain symmetries, namely rotations, reflections, and permutations of the hydrophone positions.
Existing approaches define penetration depth strictly in the translational sense and might not handle the object rotations properly.
Studies for soil quality assessment production is reduced and organic matter declined in all rotations.
They used a wavelet approach that is scale-independent and therefore constrained their similarity measure to consider only object rotations.
In addition, a limited number of field studies have confirmed the ability of brassicas in rotations to suppress weeds22-24, nematodes25 and fungal pathogens26.
Furthermore, the order of the cases now becomes significant since the rules for single and double rotations assume that the red parent's sibling is black.
Such motions can always be represented as pure rotations, but around a mobile pole.
Both of these subsymmetries produce a half-turn, or two rotations, through 180°.
The crop rotations compared intercropping and two sole crop rotations.
We will call the boundary components and fixed points of the rotations singularities.
In that representation pure rotations correspond to the base being atomic.
See all examples of rotation
These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors.

Collocations withrotation


rotation

These are words often used in combination with rotation.

Click on a collocation to see more examples of it.


clockwise rotation
Thus, cumulative dextral offset should be corrected to 13 km allowing for 30 cumulative clockwise rotation within the zone.
counterclockwise rotation
During this time a motion bias was imposed that alternated every 5 s between clockwise and counterclockwise rotation of the stimulus pattern.
differential rotation
If our proposed model for the differentialrotation is correct then the effective viscosity at the outer core can be obtained from (3).
These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors.
See all collocations with rotation
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