Analysis of covariance was used to test differences in mean BMDs across genotypes.

采用协方差分析的方法对结果进行分析处理.

Objective To study the effect of covariate imbalance on analysis of covariance.

目的探讨协变量的不均衡对协方差分析的影响。

Analysis of covariance is a combination of regression analysis and variance analysis.

协方差分析足把直线回归与方差分析结合起来应用的一种方法.