名词
中文翻译：双栅光谱仪
同义词：
['dual grating spectrograph', 'dual grating spectrometer']
例句：
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1.The dual-grating spectrograph was used to analyze the chemical composition of the sample.
双栅光谱仪被用来分析样品的化学成分。
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2. The dual-grating spectrograph was used to study the absorption and scattering properties of the material.
双栅光谱仪被用来研究材料的吸收和散射特性。
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3. The dual-grating spectrograph was used to detect the presence of trace elements in the sample.
双栅光谱仪被用来检测样本中微量元素的出现。