variance

名词 n.
中文释义
英 /ˈvɛə.ɹi.əns/|/ˈvɛː.ɹi.əns/    美 /ˈvæɹ.i.əns/|/ˈveː.ɹi.əns/

英文释义

名词 n.
  1. The act of varying or the state of being variable. countable,uncountable
  2. A difference between what is expected and what is observed; deviation. countable,uncountable
    — Certain other factors were considered to explain the variance from expected figures. All seven aviators smoked. Each considered himself to be in good physical condition, though none found the time to exercise regularly. No aviator was obese.
  3. The state of differing or being in conflict. countable,uncountable
    — But here, again, is the old variance between nature and fortune: each seems to delight in marring the work of the other.
  4. An official permit to do something that is ordinarily forbidden by regulations. countable,uncountable
  5. A discrepancy between two legal documents. countable,uncountable
  6. A departure from a cause of action originally in a complaint. countable,uncountable
  7. The second central moment in probability; the square of the standard deviation. countable,uncountable
  8. The number of degrees of freedom in a system. countable,uncountable
  9. Covariance and contravariance generally. countable,uncountable
    — Depending on the variance of the type constructor, the subtyping relation of the simple types may be either preserved, reversed, or ignored for the respective complex types.

词形变化

variances plural variaunce alternative,obsolete var alternative,abbreviation

词汇关系

衍生词
analysis of variance at variance covariance equivariance multivariance product variance semivariance subvariance variance drain

词源

From Middle English variance, variaunce, equivalent to vary + -ance, from Old French variance or directly from Anglo-Latin variaunce, veriaunce, wariaunce; all from Latin variantia.
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