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

• Improvement of interval estimation for generalized variance in multivariate normal distribution;
  本文对两正态混合分布参数估计问题进行了研究。
• Methods: Orthogonal design and analysis of variance were used.
  应用正交设计实验方法和方差分析。
• 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。
• 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。
• 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。
• 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。
• 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。
• Many of his statements were at variance with the facts
  他的说法有很多和事实不符。
• Reduced variance in estimation.
  在估值中减少的变化。
• Stable results and high variance reduction using the compound method have been obtained.
  使用组合方法获得了稳定的结果和较大的方差减缩。