名词
中文翻译：光谱磷光计
同义词：
['spectrophotometer', 'spectrophotometer', 'spectrophotometer']
例句：
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1. The spectrophotometer was used to analyze the chemical composition of the sample.
使用光谱磷光计分析样本的化学成分。
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2. The spectrophotometer was used to measure the absorption and emission spectra of the sample.
使用光谱磷光计测量样本的吸收和发射光谱。
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3.The spectrophotometer was used to study the relationship between the concentration of the sample and its absorbance.
使用光谱磷光计研究样本浓度与其吸光度之间的关系。