直接成分分析法可以用括弧或树形图表示。

The immediate constituent analysis of a sentence may be carried out with brackets or with a tree diagram.

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直接成分分析法的运用；

Third, usage of the immediate constituents analysis method.

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方法：采用直接测定法测得了样品的FTIR，并结合主成分分析法进行排序比较。

Method: Using fourier transform infrared spectrometer to record the characteristic spectra of eleven samples of Dendrobium, and to compare the spectra by PCA(principal component analysis).

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方法：采用直接测定法测得了样品的FTIR，并结合主成分分析法进行排序比较。

Method: Using fourier transform infrared spectrometer to record the characteristic spectra of eleven samples of Dendrobium, and to compare the spectra by PCA(principal component analysis).

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