variances变通variancen.不一致；变化；[数]方差variance analysis table方差分析表variance expands factor方差扩大因子variance ratio analysis方差比分析Variance ratio tracking方差比值跟踪variance active contour方差主动轮廓variance decompositions方差分解Variance and covariance方差和协方差分量variance analysis model方差分析variance change-point方差变点variance analysis method方差分析法