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1.Molecular spectroscopy has been widely used in the study of chemical reactions.
分子光谱学在研究化学反应中得到了广泛应用。
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2. The molecular spectroscopy technique was developed by Dr. Smith to detect trace amounts of pollutants in water samples.
史密斯博士发明了分子光谱技术，用于检测水样中的微量污染物。
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3. In this study, we used molecular spectroscopy to analyze the composition of different types of soil.
在本研究中，我们使用分子光谱学分析了不同类型土壤的成分。