名词
中文翻译：离子计
同义词：
['electroscope', 'electrometer', 'galvanometer例句：1. The ion gauge was used to measure the concentration of salt in the seawater.（离子计被用来测量海水中的盐浓度。）']
例句：
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1. The ion gauge was used to measure the concentration of salt in the seawater.
离子计被用来测量海水中的盐浓度。
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2.The ion gauge showed that the pH level had dropped significantly.
离子计显示，pH水平已经显著下降。
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3. The ion gauge was used to monitor the electrical conductivity of the water.
离子计被用来监测水的电导率。