名词
中文翻译：粗糙浓度
同义词：
['roughness', 'crude concentration']
例句：
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1.The rough concentration of the solution is 0.5 M.
溶液的粗糙浓度为0.5 M。
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2. The crude oil was refined to increase its rough concentration.
原油被精炼以提高其粗糙浓度。
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3.The crude oil was refined to increase its rough concentration.
原油被精炼以提高其粗糙浓度。