名词
中文翻译：分光仪
同义词：
['spectrograph', 'spectrometer']
例句：
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1. Theorograph is used to analyze thechemical composition of materials.
分光仪用于分析材料的成分。
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2. The spectrograph was usedto study the absorption spectra of different compounds.
分光仪被用来研究不同化合物的吸收光谱。
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3. The spectrometer was usedto measure the wavelengths of lightemitted by the sample.
分光仪被用来测量样品发射的光的波长。