名词
中文翻译：双光束分光光度计
同义词：
['double beam spectrophotometer', 'double-beam spectrophotometer例句：1. The double-beam spectrometer was used to analyze the chemical composition of the sample.（双光束分光光度计被用来分析样品的化学成分。）2. The double-beam spectrometer is essential for measuring the absorption and emission spectra of materials.（双光束分光光度计对于测量材料吸收和发射光谱至关重要。）']
例句：
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1. The double-beam spectrometer was used to analyze the chemical composition of the sample.
双光束分光光度计被用来分析样品的化学成分。
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2. The double-beam spectrometer is essential for measuring the absorption and emission spectra of materials.
双光束分光光度计对于测量材料吸收和发射光谱至关重要。
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3. The double-beam spectrometer has proven to be a powerful tool in the study of complex organic compounds.
双光束分光光度计在研究复杂有机化合物方面已经证明是一种强大的工具。