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单词 rotation
释义
rotation
noun
uk
/rəʊˈteɪ.ʃən/us
/roʊˈteɪ.ʃən/
[U]
movementin acirclearound afixedpoint:
（尤指围绕一个固定点）旋转，转动
thespeedof rotation转速
[C]
acompletecircularmovementaround afixedpoint:
旋转的一圈
Theearthcompletes366 rotationsaboutitsaxisin everyleapyear.在每一个闰年里，地球绕地轴自转366圈。
[CorU]
theactbyfarmersofregularlychangingwhichcropstheygrowin afield:
轮作；换茬（农民有规则地改变地里种植的植物）
croprotation农作物轮作
[U]
theactof differentpeopledoing the samejobat differenttimes:
轮班（不同的人在不同的时间做相同的工作）
the rotation ofkeypositionssuch as that ofchairman重要职务如主席等的轮流担任
SMART Vocabulary: related words and phrases
Revolving, rotating and spinning
  • around
  • around and aroundidiom
  • backspin
  • birl
  • centrifugal
  • circuit
  • rev
  • revolve
  • revolving
  • rotary
  • rotate
  • rotative
  • span
  • spin
  • swing
  • twirling
  • twirly
  • underspin
  • wheel round
  • whirly
See more results »

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

Changing

Idiom

in rotation
(Definition ofrotationfrom theCambridge Advanced Learner's Dictionary & Thesaurus© Cambridge University Press)

rotation| American Dictionary

rotation
noun[C/U]
us
/roʊˈteɪ·ʃən/

rotationnoun[C/U](TURNING)

theactofturningaround afixedpoint:
[C]Two rotations of thedialopensthelock.

rotationnoun[C/U](TAKING TURNS)

theactof thingshappeninginturns, orhappeningin aparticularorder:
croprotation

rotational

adjective[not gradable]us
/roʊˈteɪ·ʃə·nəl/
(Definition ofrotationfrom theCambridge Academic Content Dictionary© Cambridge University Press)

rotation| Business English

rotation
noun[CorU]
uk
/rəʊˈteɪʃən/us
WORKPLACE,HR
theprocessofregularlychangingthepersonwho does aparticularjob, so that it is done at differenttimesby differentpeople:
in rotationThey allworkthenightshiftin rotation.
Italy hasruleson themandatoryrotation ofauditingfirmsatregularintervals.
STOCK MARKET
→sector rotation

See also

job rotation
(Definition ofrotationfrom theCambridge Business English Dictionary© Cambridge University Press)

Examplesofrotation

rotation
An incremental navigation formula used the information about 3 possible rotations of the body in relation to a nonmoving world frame.
From theCambridge English Corpus
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.
From theCambridge English Corpus
On the fifth farm, this pattern was isolated in two houses in consecutive rotations during spring and summer 1998.
From theCambridge English Corpus
One issue is the representation of the rigid body motions of rotations and translations as elements within the algebra.
From theCambridge English Corpus
The aim is to minimise this performance measure, and it has certain symmetries, namely rotations, reflections, and permutations of the hydrophone positions.
From theCambridge English Corpus
Existing approaches define penetration depth strictly in the translational sense and might not handle the object rotations properly.
From theCambridge English Corpus
Studies for soil quality assessment production is reduced and organic matter declined in all rotations.
From theCambridge English Corpus
They used a wavelet approach that is scale-independent and therefore constrained their similarity measure to consider only object rotations.
From theCambridge English Corpus
In addition, a limited number of field studies have confirmed the ability of brassicas in rotations to suppress weeds22-24, nematodes25 and fungal pathogens26.
From theCambridge English Corpus
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.
From theCambridge English Corpus
Such motions can always be represented as pure rotations, but around a mobile pole.
From theCambridge English Corpus
Both of these subsymmetries produce a half-turn, or two rotations, through 180°.
From theCambridge English Corpus
The crop rotations compared intercropping and two sole crop rotations.
From theCambridge English Corpus
We will call the boundary components and fixed points of the rotations singularities.
From theCambridge English Corpus
In that representation pure rotations correspond to the base being atomic.
From theCambridge English Corpus
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.

Collocationswithrotation

rotation

These are words often used in combination withrotation.

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.
From theCambridge English Corpus
counterclockwise rotation
During this time a motion bias was imposed that alternated every 5 s between clockwise and counterclockwise rotation of the stimulus pattern.
From theCambridge English Corpus
differential rotation
If our proposed model for thedifferentialrotationis correct then the effective viscosity at the outer core can be obtained from (3).
From theCambridge English Corpus
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.
#https://dictionary.cambridge.org//dictionary/english/rotation##
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更新时间：2024/12/28 1:07:53