METHODS: The convolution spectrometry method was used.
方法：采用褶合光谱法。
METHODS Based on UV convolution spectrum with PLS method, we used convolution spectrometry of computer information process technology.
方法以紫外褶合光谱为基础，结合PLS法，利用计算机信息处理技术的褶合曲线分析法。
METHODS Based on UV convolution spectrum with PLS method, we used convolution spectrometry of computer information process technology.
方法以紫外褶合光谱为基础，结合PLS法，利用计算机信息处理技术的褶合曲线分析法。
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