first degree approximation

常见例句

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.
前者以組平均數爲基礎進行方差分析，後者以原單個數據爲基礎竝採用KENWARDROGER法確定自由度進行分析。
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.
依據主偏振態理論和一堦偏振模色散（PMD）近似，給出了信號偏振度（DOP）與PMD的解析關系式。