名词
中文翻译：质谱仪
同义词：
['mass spectrometer', 'mass spectrophotometer']
例句：
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1. Themass spectrophotometer was used to analyze the chemical composition of the sample.
质谱仪被用来分析样品的化学成分。
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2.The mass spectrophotometer helped us identify the exact molecular weights of the compounds.
质谱仪帮助我们确定了化合物的确切分子量。
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3.The mass spectrophotometer was used to determine the elemental composition of the sample.
质谱仪被用来确定样品的元素组成。