名词
中文翻译：光电密度计
同义词：
['光度计，光电直读光谱仪例句：1. The photoelectric densitometer was used to measure the density of the soil.（光电密度计被用来测量土壤的密度。）']
例句：
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1. The photoelectric densitometer was used to measure the density of the soil.
光电密度计被用来测量土壤的密度。
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2. The photoelectric densitometer is a useful tool for analyzing the chemical composition of materials.
光电密度计是一种分析材料化学成分的有效工具。
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3.The photoelectric densitometer can quickly and accurately determine the concentration of various elements in the sample.
光电密度计可以快速而准确地确定样品中各种元素的浓度。