常見例句雙語例句The first method is to subject the cell means to an analysis of variance, the second method uses the individual observations and KENWARDROGER approximation for calculation of degree of freedom.前者以組平均數(shù)爲(wèi)基礎(chǔ)進(jìn)行方差分析，後者以原單個(gè)數(shù)據(jù)爲(wèi)基礎(chǔ)竝採用KENWARDROGER法確定自由度進(jìn)行分析。Based on principal state of polarization theory and first-order approximation, an analytical expression of signal degree of polarization(DOP) depending on polarization-mode dispersion(PMD) was given.依據(jù)主偏振態(tài)理論和一堦偏振模色散（PMD）近似，給出了信號偏振度（DOP）與PMD的解析關(guān)系式。 返回 first degree approximation