variance

英 [ˈveəriəns]

美 [ˈveriəns]

n.  变化幅度; 差额

复数：variances　

TOEFLGRE化学

Collins.1 / BNC.7319 / COCA.5027

习惯用语

n.

at variance (with sb/sth)
• 看法不一；矛盾；冲突
  disagreeing with or opposing sb/sth
• These conclusions are totally at variance with the evidence.
  这些结论与证据完全相悖。

牛津词典

noun

• 变化幅度；差额
  the amount by which sth changes or is different from sth else
  1. variance in temperature
     温差
  2. a note with subtle variances of pitch
     音高有细微变化的音符

柯林斯词典

• PHRASE （与…）不一致，相矛盾
  If one thing isat variance withanother, the two things seem to contradict each other.
  1. Many of his statements were at variance with the facts...
     他的说法有很多和事实不符。
  2. This idealistic concept is at variance with reality.
     这种理想主义的观念和现实相矛盾。
• N-VAR 差异;不同
  Thevariancebetween things is the difference between them.
  1. ...the variances in the stock price.
     股票价格的变化
  2. ...total revenue variance.
     总收入的差异

英英释义

noun

• an activity that varies from a norm or standard
  1. any variation in his routine was immediately reported
  Synonym:variation
• an official dispensation to act contrary to a rule or regulation (typically a building regulation)
  1. a zoning variance
• the quality of being subject to variation
  Synonym:variabilityvariableness
• a difference between conflicting facts or claims or opinions
  1. a growing divergence of opinion
  Synonym:discrepancydisagreementdivergence
• the second moment around the mean
• discord that splits a group
  Synonym:division
• an event that departs from expectations
  Synonym:discrepancyvariant

双语例句

• Finally, variance analysis is used to verify the validity of the crytic model.
  最后，利用方差分析周期检验方法作了印证性讨论。
• Note that severity of risk is directly related to the variance in the estimation of a project's parameters.
  注意到风险的严重程度直接关系到项目参数的估计中的方差。
• And the five group of the sausages were carried out to general sensory evaluation and variance analysis.
  并对这五组香肠进行感官综合评价和方差分析。
• In statistical language, this estimate is called the between-column variance.
  在统计学中这个估计值叫组间方差。
• We simulate the stochastic cycle time and get its mean and variance.
  我们模拟随机的周期时间，得到平均值以及变异数。
• The budget variance analysis column can be set up on how you review the budget variances.
  预算差异分析这一列可以根据您查看预算差异的方式来设置。
• The principle of variance reduction of model parameters estimation through OA-MLHS together with BCT is also discussed.
  文中对结合使用OA-MLHS与BCT从而减少了分布参数的估计方差的数学原理进行了分析。
• On the contrary, a risk is some condition that adds to project variance.
  反之，风险是向项目方差中加入的某个条件。
• In this paper, minimum variance filtering and smoothing algorithms of a class of non-causal systems are discussed.
  研究一类非因果系统的最小方差滤波与平滑。
• The detailed propagation formula of the state estimation error and its variance matrix are derived.
  详细推导了状态估计误差及其方差阵的传播模型。