variance

英 [ˈveəriəns] 美 [ˈveriəns]

n.  变化幅度; 差额

复数:variances

TOEFLGRE化学

Collins.1 / BNC.7319 / COCA.5027



牛津词典

noun

  1. 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

  1. PHRASE (与…)不一致,相矛盾
    If one thing is at variance with another, 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。
  2. N-VAR 差异;不同
    The variance between 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

双语例句

  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。
  3. The good in him was a constant variance with the bad.
    他善良的一面经常和邪恶的一面发生矛盾。
  4. 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。
  5. On the other hand, embracing variance leads to better results.
    另一方面,包含偏差导致了更好的结果。
  6. 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。
  7. Reduced variance in estimation.
    在估值中减少的变化。
  8. 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。
  9. 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。
  10. A theoretical distribution with finite mean and variance.
    平均数和方差数都为有限的一个理论分布。
  11. Methods: Orthogonal design and analysis of variance were used.
    应用正交设计实验方法和方差分析。
  12. 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。
  13. 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。
  14. 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。
  15. The data were analyzed by analysis of variance.
    对所测数据进行方差分析。
  16. There are several pressing needs, for example, determining the bias and variance in multicenter studies.
    有几个迫切需要,例如,确定多中心研究中的偏见和差异。
  17. A method of IRFPA non-effective pixel discrimination based on NETD and gray minimum variance is put forward.
    提出了一种基于噪声等效温差(NETD)和灰度最小方差的红外焦平面阵列无效像元检测方法。
  18. 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。
  19. 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。
  20. 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。
  21. 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。
  22. 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。
  23. My ideas are at variance with his.
    我的思想和他的不同。
  24. Methods: Under the same conditions, the method of life table and analysis of variance was used.
    方法:在相同条件下,采用生命表的方法和方差分析。
  25. The performance of the two controllers of distillation column is evaluated by minimum variance as a benchmark.
    用最小方差准则对两个精馏塔控制系统的性能进行了分析。
  26. 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。
  27. 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。
  28. 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。
  29. 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。
  30. 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。

习惯用语

n.

    at variance (with sb/sth)

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

英英释义

noun

  1. an activity that varies from a norm or standard
    1. any variation in his routine was immediately reported

    Synonym:    variation

  2. an official dispensation to act contrary to a rule or regulation (typically a building regulation)
    1. a zoning variance

  3. the quality of being subject to variation

      Synonym:    variabilityvariableness

    1. a difference between conflicting facts or claims or opinions
      1. a growing divergence of opinion

      Synonym:    discrepancydisagreementdivergence

    2. the second moment around the mean

      1. discord that splits a group

          Synonym:    division

        1. an event that departs from expectations

            Synonym:    discrepancyvariant