
variances
词源
源自拉丁语 'variantia',意为变化或差异,后通过法语 'variance' 进入英语。
noun
❶ 差异或变化,指同一事物在不同情况下的差别或波动。常用于统计学或日常描述中。
“There are significant variances in temperature between day and night.”
(白天和夜晚的温度存在显著差异。)
“The study analyzed the variances in test scores among different age groups.”
(这项研究分析了不同年龄组测试分数的差异。)
❶ 统计学中的方差,用于衡量一组数据的离散程度或波动大小。
“The variance of the data set was calculated to assess its spread.”
(计算数据集的方差以评估其离散程度。)
“A high variance indicates that the data points are widely scattered.”
(高方差表明数据点分布广泛。)
常见短语
explain the variances — 解释差异或波动的原因,常用于分析报告或研究中。
“The analyst was asked to explain the variances in the quarterly financial results.”
(分析师被要求解释季度财务结果中的差异。)
account for variances — 说明或解释差异的来源,通常用于财务或数据分析。
“The team needed to account for variances in the project timeline.”
(团队需要解释项目时间表中的差异。)