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。
• Check, calculate and update item cost of inventory, responsible also for inventory valuation and variance analysis.
  负责库存成本的审核、计算和更新，执行库存的估价和差异分析。
• The variance optimality of combining ridge and principal components estimate is discussed in the class of reduced-dimension estimates.
  讨论了岭型主成分估计在一类降维估计中的方差性质，证明了在一定条件下岭型主成分估计的方差和最小。
• 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 study the unstable autoregressive process for the first order with infinite variance.
  对具有无限方差的一阶自回归非平稳过程进行了研究。
• Reduced variance in estimation.
  在估值中减少的变化。
• It is called variance ratio and the exact relation between variance ratio and correlation coefficient is also built.
  并找到了方差比与相关系数之间的内在联系。
• 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。
• This idealistic concept is at variance with reality.
  这种理想主义的观念和现实相矛盾。
• This components of parameter variance depends on the sample size.
  参数方差的这一组成部分依赖于样本容量。