本文对表达式符号的大小归一化方法进行了研究。

In this paper, two methods of size normalization of expression notation are studied.

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该方法采用氢火焰离子化检测器(FID)，并用面积归一化法进行计算。

The method use FID and count by area normalization method.

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定量方法：面积归一化法。

The measurement method was area normalization.

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定量方法：面积归一化法。

The measurement method was area normalization.

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