名词
中文翻译：极谱扫描仪
同义词：
['polarograph', 'polarographic instrument']
例句：
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1. The polarographic scanner wasused to analyze the chemical composition of thesample.
极谱扫描仪被用来分析样品的化学成分。
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2. The polarographic scannerwas used to detect the presence of pollutants in the water.
极谱扫描仪被用来检测水中污染物的存在。
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3. Thepolarographic scanner was used to measurethe electrical conductivity of the sample.
极谱扫描仪被用来测量样品的电导率。