The influncc of some uncontrolled factors must be consided in variance analysis. In this paper, the authors expounded covariance analysis with two correlated variables and solved it with quadric form.是什么意思_The influncc of some uncontrolled factors must be consided in variance analysis. In this paper, the authors expounded covariance analysis with two correlated variables and solved it with quadric form.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句