Word · Frequency #7319
variances
差异，不一致，分歧
variances is the plural of variance.
核心释义
the fact or quality of being different, divergent, or inconsistent
- 1.
变化的行为或可变的状态。
The act of varying or the state of being variable.
- 2.
预期与实际观察之间的差异；偏差。
A difference between what is expected and what is observed; deviation.
- 3.
分歧或冲突的状态。
The state of differing or being in conflict.
- 4.
官方颁发的、允许做通常被规章禁止之事的许可证。
An official permit to do something that is ordinarily forbidden by regulations.
- 5.
两份法律文件之间的不一致。
A discrepancy between two legal documents.
- 6.
偏离原起诉状中的诉讼理由。
A departure from a cause of action originally in a complaint.
- 7.
概率中的二阶中心矩；标准差的平方。
The second central moment in probability; the square of the standard deviation.
- 8.
系统中自由度的数量。
The number of degrees of freedom in a system.
- 9.
通常指协变与逆变。
Covariance and contravariance generally.
方差；特许，豁免；变化的行为或可变的状态。；预期与实际观察之间的差异；偏差。；分歧或冲突的状态。
用法In use
His account of the events was at variance with the official report.
用法提示：“at variance with”表示“与...不一致”，variance在此意为“分歧，不一致”，作名词。
The variance of the data set was calculated to measure the spread of the values.
用法提示：variance在此为统计学名词，意为“方差”，指数据分布的离散程度。
The city council granted a variance to allow the building to exceed the height limit.
用法提示：variance在此意为“特许，豁免”，指对法规的例外许可，作名词。
相关词与表达Connections
搭配Collocations
- at variance with
- 与…不一致，与…有分歧
- His actions are at variance with his promises.他的行为与他的承诺不一致。
- variance analysis
- 方差分析
- The researcher used variance analysis to compare the groups.研究者使用方差分析来比较各组。
- genetic variance
- 遗传方差
- Genetic variance contributes to the diversity of traits in a population.遗传方差导致种群内性状的多样性。
- sample variance
- 样本方差
- The sample variance is an estimate of the population variance.样本方差是总体方差的估计值。
- variance reduction
学习提示Learner notes
记忆技巧Memory Tip
联想“vary”（变化）+“ance”（名词后缀），变化带来的差异就是方差。
语境与语域Context & Register
统计学，数学，数据分析（正式术语）
发音与拼写Pronunciation & Spelling
All listed words share the same -ance ending pronounced /əns/, matching the ending of variance.
用法优先级Usage priority
Collins 词频等级为 1，建议结合例句记忆，而不是只背中文释义。
一起学习词形Learn the forms together
页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from ECDICT, WIKTIONARY, WORDNET.