方差的英文是variance。
例句：
1、在统计学中这个估计值叫组间方差。
In statistical language, this estimate is called the between-column variance.
2、标准差可以通过计算所有数值的方差（再开方）得到。
The standard deviation is calculated from all of the individual deviations of the data points.
3、一种基于最小均方差的3D自适应预测视频编码。
Three Dimensional Adaptive Prediction of Video Coding Based on LMS.
4、结合局部最大类间方差和标记筛选的腹部CT肝脏病灶提取。
Extraction of Liver Focal Lesions in Abdominal CT Image Based on Local OTSU and Zone Market Screening.
5、GPS基线向量方差-协方差阵转换到高斯平面上的研究。
On GPS Baseline Vector Variance-covariance Matrix from Rectangular Space Coordinate System to Gauss Plane Coordinate System.
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