名词
中文翻译：双光束分光光度计
同义词：
['double beam spectrophotometer', 'double beam spectrophotometer', 'double beam spectrophotometer例句：1. This double-beam photometer is used to measure theabsorption of light in different materials.（这台双光束分光光度计用于测量不同材料对光的吸收。）']
例句：
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1. This double-beam photometer is used to measure theabsorption of light in different materials.
这台双光束分光光度计用于测量不同材料对光的吸收。
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2. Thedouble-beam photometer was usedto 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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3. Thedouble-beam photometer was used to determine theconcentration of a specific element in thesample.
双光束分光光度计被用来测定样品中特定元素的浓度。