a variance between A and B
常与 between 连用,指出两者之间的差异;复数形式 variances 也可这样用。
There was a slight variance between the two estimates.
这两个估算值之间略有差异。
差异,不一致,分歧
variances — plural of variance
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。
the fact or quality of being different, divergent, or inconsistent
变化的行为或可变的状态。
The act of varying or the state of being variable.
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.
分歧或冲突的状态。
The state of differing or being in conflict.
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.
两份法律文件之间的不一致。
A discrepancy between two legal documents.
偏离原起诉状中的诉讼理由。
A departure from a cause of action originally in a complaint.
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.
系统中自由度的数量。
The number of degrees of freedom in a system.
通常指协变与逆变。
Covariance and contravariance generally.
His account of the events was at variance with the official report.
他对事件的描述与官方报告不一致。
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.
计算了数据集的方差以衡量数值的离散程度。
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.
市议会批准了一项特许,允许该建筑超过高度限制。
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。
常与 between 连用,指出两者之间的差异;复数形式 variances 也可这样用。
There was a slight variance between the two estimates.
这两个估算值之间略有差异。
介词 in 后面接存在差异的领域或范围。
We noticed a wide variance in the test results.
我们注意到测试结果存在很大差异。
固定搭配,表示与某事物相矛盾或不符,多用于正式语境。
His account is at variance with the official report.
他的说法与官方报告不一致。
此义指官方准许的例外许可,常与 from 连用说明所豁免的规定。
The company requested a variance from the zoning rules.
该公司申请了对分区规定的豁免。
grammar · medium
易错句子His words are in variance with his actions.
正确表达His words are at variance with his actions.
固定搭配是 be at variance with,意为“与……不一致、相矛盾”,介词只能用 at,不能用 in。
grammar · medium
易错句子The shop sells many variances of tea.
正确表达The shop sells many varieties of tea.
variance 指“差异、不一致”或统计学上的“方差”,不表示“种类”;表示“多种多样的种类”要用 variety(复数 varieties)。
grammar · medium
易错句子Prices variance from shop to shop.
正确表达Prices vary from shop to shop.
variance 是名词,不能作谓语;表示“发生变化、有所不同”要用动词 vary,此处主语 prices 后应接动词。
用于‘不一致、分歧’义项
variation 指事物在程度、形式或数量上的变化,常与 in 连用表示某方面的变动;variance 指偏离预期或标准的偏差、数据方差,或表示分歧,通常不用来表达日常的温度变化。
discrepancy 指两个本应一致的具体事物(如账目、说法、数据)之间的不一致,常暗示出了差错;variance 更偏统计或财务中偏离预期或预算的差额,也可指意见不合。
divergence 强调观点、路径或趋势从某点分开并越走越远,常用于意见、政策;variance 表示“分歧”时多用于 at variance with 这一固定搭配,语气更正式。
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。
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。
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。
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。
方差缩减
These techniques are used for variance reduction in Monte Carlo simulations.
这些技术用于蒙特卡洛模拟中的方差缩减。
方差是统计学中描述数据离散程度的常用指标。
方差基于数据点与均值的偏差平方计算。
方差反映数据点之间的差异或离散程度。
方差衡量数据值的波动或变化范围。
方差可用于检测数据或行为中的不一致性。
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。
Dictionary facts from ECDICT, WIKTIONARY, WORDNET.
解释方差
The model explains 70% of the variance in the data.
该模型解释了数据中70%的方差。