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1·A covariance analysis of the.

对系统进行了协方差分析。

2·Covariance analysis with forward stepwise variable selection was carried out.

统计方法采用逐步向前变量选择协方差分析。

3·Covariance analysis was used to analyze herbicide efficacy data from rapeseed experiments.

摘要采用协方差分析方法，对油菜田除草剂的试验结果进行了分析。

4·Covariance analysis was used to analyze herbicide efficacy data from rapeseed experiments.

采用协方差分析方法，对油菜田除草剂的试验结果进行了分析。

5·Take the two-factor covariance analysis for example, the projection method is used to decompose the derivate square.

以双因素协方差分析为例，介绍如何用代数中投影的方法进行离差平方和分解。

6·In this paper, the authors expounded covariance analysis with two correlated variables and solved it with quadric form.

利用二次型解决了双协变量的方差分析方法。

7·In order to get rid of the effect of baseline FEV1 changes induced by atropine inhalation, covariance analysis was used.

为了排除吸入阿托品后基础FEV_1变化的影响，采用协方差分析法进行检验。

8·We use the covariance analysis method to appraise teaching efficiency and provide an important basis for scientific management of teaching.

利用协方差分析方法评价教学效率，为教学的科学管理提供了重要依据。

9·The covariance analysis results showed that the difference between female duck body size is correlated with the difference between body weight.

但协方差分析结果表明，本次测量的母鸭体尺间的部分差异是由于体质量的差异带来。

10·Single-factor correlation, multiple-factor regression, gradual regression and covariance analysis were adopted for correlation analysis among variables.

各变量间相关分析用单因素相关分析、多因素回归和逐步回归分析。