However, only SRT of 6 sub-tests was found to be significantly different between Pb-exposed workers and non-exposed workers using analysis of multiple covariance.
多元协方差分析显示:接触组工人的WHO/NCTB中的6项分测验,除SRT测验外,其余与对照工人比较均无显著性差异。
Multiple Covariance Analysis in Microsoft Excel 2000
在Excel表中进行多元方差分析
Finite multiple burn orbit transfer error analysis via covariance matrix
利用协方差矩阵研究有限多次点火时轨道转移误差
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