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单词 scalar
释义
scalar
noun[C]
physicsspecialized
uk
/ˈskeɪ.lər/us
/ˈskeɪ.lɚ/
something that hassizebut nodirection, such as aquantity,distance,speed, ortemperature
标量的（只有大小没有方向的，如数量、距离、速度或温度）
Compare
vector
SMART Vocabulary: related words and phrases
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scalar
adjective
physicsspecialized
uk
/ˈskeɪ.lər/us
/ˈskeɪ.lɚ/
(of aquantity,distance,speed, ortemperature) havingsizebut nodirection:
Velocity is avectorquantity, whilespeedis thecorrespondingscalarquantity, because it does not have adirection.
Scalarvariablescontainasingleelement, whileorderedsetscontainmultipleelements.
Compare
vector
More examples
  • Thenetworksystemisentirelyscalar, with anynumberof PCmicroprocessorspotentiallypossible.
  • It mustbecomecommonlyunderstoodthat thedifferencebetween theindividualand thesocialgroupis scalar, not incompetition.
  • There are anumberof otherparametersin theformof scalarvalueswhichcontroltheshapeof thespiral.
(Definition ofscalarfrom theCambridge Advanced Learner's Dictionary & Thesaurus© Cambridge University Press)
scalar
noun[C]
physicsspecialized
uk
/ˈskeɪ.lər/us
/ˈskeɪ.lɚ/
something that hassizebut nodirection, such as aquantity,distance,speed, ortemperature
标量的（只有大小没有方向的，如数量、距离、速度或温度）
Compare
vector

scalar| American Dictionary

scalar
adjective[not gradable]
us/ˈskeɪ·lər/
mathematics,physics
havingmagnitude(=strength)but notdirection
(Definition ofscalarfrom theCambridge Academic Content Dictionary© Cambridge University Press)

Examplesofscalar

scalar
Withscalar-variable application defined, we can lift the application of a substitution to general types with no difficulty.
From theCambridge English Corpus
This would reduce the problem once more to determining sequences of scalars and, if one chooses well, their number need not be prohibitively large.
From theCambridge English Corpus
Only 22 of the set of 30scalarequations derived from (28) are independent.
From theCambridge English Corpus
Thescalarpotential in the continuity and momentum equations is taken as the linear combination of the electrostatic and self-gravitational potential.
From theCambridge English Corpus
Thescalarorganisation of these chorus melodies also offers an interesting contrast with their verses.
From theCambridge English Corpus
The other operations involve vector-vector dot products,scalar-vector multiplies, and in general, only operations involving vectors.
From theCambridge English Corpus
The operands considered mostly in engineering design include scalars and three-dimensional vectors.
From theCambridge English Corpus
The inner product of two vectors is equivalent to the standardscalar(dot) product.
From theCambridge English Corpus
Reversing any of these conventions on orientation may change local signs in the incidence function, but not the final,scalarresults of computations.
From theCambridge English Corpus
The results apply to semi- and fully discrete approximations ofscalarand systems of conservation laws.
From theCambridge English Corpus
But perhaps this claim is more controversial on thescalarthan on the bivalent view.
From theCambridge English Corpus
This motivatesscalarconstrual which systematically limits the licensing potential of polarity triggers.
From theCambridge English Corpus
Regularization of the stress-energy tensor for vector andscalarparticles propagating in a general background metric.
From theCambridge English Corpus
Since thescalarpotentials are matched at the reference surface, it follows that they are matched globally.
From theCambridge English Corpus
In the sections on the analysis of subdivision schemes, we consider only schemes withscalarmasks.
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/scalar##
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更新时间：2024/12/28 16:46:29