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variation    音标拼音: [v,ɛri'eʃən]
n. U变动,变化;C变异,变种

U变动,变化;C变异,变种

variation
变动 差异

variation
n 1: an instance of change; the rate or magnitude of change
[synonym: {variation}, {fluctuation}]
2: an activity that varies from a norm or standard; "any
variation in his routine was immediately reported" [synonym:
{variation}, {variance}]
3: a repetition of a musical theme in which it is modified or
embellished
4: something a little different from others of the same type;
"an experimental version of the night fighter"; "a variant of
the same word"; "an emery wheel is the modern variation of a
grindstone"; "the boy is a younger edition of his father"
[synonym: {version}, {variant}, {variation}, {edition}]
5: an artifact that deviates from a norm or standard; "he
patented a variation on the sandal"
6: the angle (at a particular location) between magnetic north
and true north [synonym: {magnetic declination}, {magnetic
variation}, {variation}]
7: the process of varying or being varied
8: (astronomy) any perturbation of the mean motion or orbit of a
planet or satellite (especially a perturbation of the earth's
moon)
9: (biology) an organism that has characteristics resulting from
chromosomal alteration [synonym: {mutant}, {mutation},
{variation}, {sport}]
10: (ballet) a solo dance or dance figure [synonym: {pas seul},
{variation}]
11: the act of changing or altering something slightly but
noticeably from the norm or standard; "who is responsible
for these variations in taxation?"

Variation \Va`ri*a"tion\, n. [OE. variatioun, F. variation, L.
variatio. See {Vary}.]
1. The act of varying; a partial change in the form,
position, state, or qualities of a thing; modification;
alteration; mutation; diversity; deviation; as, a
variation of color in different lights; a variation in
size; variation of language.
[1913 Webster]

The essences of things are conceived not capable of
any such variation. --Locke.
[1913 Webster]

2. Extent to which a thing varies; amount of departure from a
position or state; amount or rate of change.
[1913 Webster]

3. (Gram.) Change of termination of words, as in declension,
conjugation, derivation, etc.
[1913 Webster]

4. (Mus.) Repetition of a theme or melody with fanciful
embellishments or modifications, in time, tune, or
harmony, or sometimes change of key; the presentation of a
musical thought in new and varied aspects, yet so that the
essential features of the original shall still preserve
their identity.
[1913 Webster]

5. (Alg.) One of the different arrangements which can be made
of any number of quantities taking a certain number of
them together.
[1913 Webster]

{Annual variation} (Astron.), the yearly change in the right
ascension or declination of a star, produced by the
combined effects of the precession of the equinoxes and
the proper motion of the star.

{Calculus of variations}. See under {Calculus}.

{Variation compass}. See under {Compass}.

{Variation of the moon} (Astron.), an inequality of the
moon's motion, depending on the angular distance of the
moon from the sun. It is greater at the octants, and zero
at the quadratures.

{Variation of the needle} (Geog. & Naut.), the angle included
between the true and magnetic meridians of a place; the
deviation of the direction of a magnetic needle from the
true north and south line; -- called also {declination of
the needle}.
[1913 Webster]

Syn: Change; vicissitude; variety; deviation.
[1913 Webster]

321 Moby Thesaurus words for "variation":
Nachtmusik, Proteus, aberrancy, aberration, about-face,
absolute music, accommodation, adaptation, adjustment, air varie,
aleatory, aleatory music, allotropism, allotropy, alteration,
altering, alternation, amelioration, anacrusis, analysis,
anatomization, apostasy, arrangement, atomization, bass passage,
bend, betterment, bias, bourdon, branching off, break, bridge,
burden, cadence, capriciousness, chamber music, chamber orchestra,
change, change of heart, change of pace, changeability,
changeableness, changing, choice, choppiness, chorus,
circuitousness, coda, composition, constructive change, continuity,
contrariety, contrast, conversion, corner, crook, curve,
dappleness, declination, defection, deflection, degeneration,
degenerative change, demarcation, departure, descant,
desultoriness, desynonymization, deterioration, detour,
development, deviability, deviance, deviancy, deviation,
deviousness, difference, differencing, differentiation, differing,
digression, disaccord, disaccordance, disagreement, disconformity,
discongruity, discontinuity, discordance, discrepancy,
discreteness, discrimination, discursion, disequalization,
disjunction, disorder, disparity, dissent, dissimilarity,
dissonance, distinction, distinctness, distinguishment, divagation,
divarication, divergence, divergency, diversification, diversion,
diversity, division, dogleg, double, drift, drifting, eccentricity,
electronic music, errantry, erraticism, etude, excursion, excursus,
exercise, exorbitation, exposition, far cry, fickleness, figure,
fitting, flightiness, flip-flop, fluctuation, folderol,
freakishness, gradual change, hairpin, harmonic close,
harmonization, her infinite variety, heterogeneity, heteromorphism,
improvement, impulsiveness, inaccordance, incidental music,
incompatibility, incongruity, inconsistency, inconsonance,
inconstancy, indirection, individualization, individuation,
inequality, inharmoniousness, inharmony, instability,
instrumental music, interlude, intermezzo, introductory phrase,
invention, irreconcilability, irregularity, jerkiness,
manifoldness, measure, melioration, mercuriality, mitigation,
mixture, modification, modifying, modulation, moodiness,
motleyness, movement, multifariousness, multiplicity,
musical phrase, musical sentence, mutability, mutation, nocturne,
nonconformism, nonconformity, nonstandardization, nonuniformity,
novelty, obliquity, odds, omnifariousness, omniformity, opposition,
opus, orchestration, ornament, oscillation, otherness, overthrow,
part, particularization, passage, pendulation, pererration, period,
permutation, personalization, phrase, piece, pluralism,
polymorphism, production, program music, qualification,
radical change, raggedness, rambling, re-creation, realignment,
redesign, reform, reformation, refrain, remaking, renewal,
reshaping, resolution, response, restlessness, restructuring,
reversal, revival, revivification, revolution, ricercar,
ritornello, score, section, seesawing, segregation, separateness,
separation, severalization, severance, shapeshifter, sheer, shift,
shiftiness, shifting, shifting course, shifting path, shuffling,
skew, slant, sonata, sonatina, specialization, stanza, statement,
strain, straying, string orchestra, string quartet, study,
sudden change, sweep, swerve, swerving, swinging, switch, tack,
tailpiece, teeter-tottering, teetering, theme and variations,
total change, tottering, transition, trio, turn, turnabout,
turning, tutti, tutti passage, twist, uncertainty, unconformism,
unconformity, undependability, unfixedness, unlikeness,
unorthodoxy, unpredictability, unreliability, unsettledness,
unstableness, unsteadfastness, unsteadiness, upheaval, vacillation,
variability, variance, variegation, variety, variousness, varying,
veer, versatility, verse, vicissitude, violent change, wandering,
wantonness, warp, wavering, waywardness, whimsicality, work,
worsening, yaw, zigzag


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  • 请问variance 和variation有什呢区别? - 知乎
    variation是指数据彼此之间的差异,衡量这种差异程度的指标有全距、标准差、方差等。 我们说,自变量X解释了60%因变量Y的variation。其实这时候的variation指的大概率就是variance。因为只有variance才具有可分解性,这时候variance和variation可以互换。
  • 病毒相关的报道里 mutation 和 variation 的区别是什么,能否通俗地讲解一下? - 知乎
    总的来说variation是站在物种,生态,或者说群体水平上说的差异。 mutation对应的是mutate,表示突变。 一般是针对基因水平上的碱基发生改变,比如常见的点突变就是某一个基因上的一个碱基变成了别的碱基。
  • 如何理解计量经济学中的variation一词? - 知乎
    如果核心解释变量为w,那么variation可以理解为上面w对x的回归的残差的方差。也就是,经过恰当的控制之后,究竟还有多少信息可以被用来解释w和y的关系,或者估计beta。这个方差越大,variation也越大,则信息越多。 而从另一个方面来讲,为什么需要控制x呢?
  • 如何理解语言学中 phonemic、allophonic、free variation?
    free variation自由变体,是个跨学科术语,在音系学和社会语言学都有这个概念。在音系学里,指的是发音有细微差别,但是不区分意义,不能构成新词的两个音。(概念不太精确,但意思差不多),这种差别可能受方言,教育背景等因素的影响。
  • 如何理解全变分(Total Variation,TV)模型? - 知乎
    Rudin等人[1]使用TVD对被高斯噪声污染的图像进行去噪 全变分去噪的基本思想是,如果图像的细节有很多高频信息(如尖刺、噪点等),那么整幅图像的梯度幅值之和(全变分)是比较大的,如果能够使整幅图像的梯度积分之和降低,就达到了去噪的目的。
  • 如何理解variation of parameter, 中文又称常数变异法 参数变换法? - 知乎
    在数学中,参数变分法又称为常数变分法,是求解非齐次线性常微分方程的一种通用方法。
  • 什么是双重差分模型(difference-in-differences model - 知乎
    知乎,中文互联网高质量的问答社区和创作者聚集的原创内容平台,于 2011 年 1 月正式上线,以「让人们更好的分享知识、经验和见解,找到自己的解答」为品牌使命。知乎凭借认真、专业、友善的社区氛围、独特的产品机制以及结构化和易获得的优质内容,聚集了中文互联网科技、商业、影视
  • 论文投稿时要求提交Author Agreement,该怎么弄? - 知乎
    三、语言礼貌得体(使用礼貌、正式的语言,避免口语化和不规范的表达);注意格式要求(投稿信应遵循期刊的格式要求,如字数、行距、字体等);附件齐全(投稿信应附上论文全文、摘要、关键词等材料,以及作者简介和授权声明)
  • TVD WENO格式为何能消除震荡?机理是什么? - 知乎
    Total Variation总变差就是总的振动幅度。 在线性流动问题中,波的传播可以用特征法求解,从特征法的解算过程来看,总变差守恒是不证自明的。 那么在非线性流动问题中,总变差至少是非增的吧(据说在间断处会减小?
  • except和except for的区别是什么? - 知乎
    BBC的你问我答写的非常清楚了: 如果打不开,我复制如下: 虽然“except”和“except for”都表示“除去…之外”或“不包括”的意思,但并不能任意互换。





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