Different concentrations of a set of alcohol solution were measured experimentally; the system measurement error is no more than 0.02 %.
对一组不同浓度的酒精溶液进行了测量实验，浓度测量绝对误差小于0.02%。
Different concentrations of a set of alcohol solution were measured experimentally; the system measurement error is no more than 0.02 %.
对一组不同浓度的酒精溶液进行了测量实验，浓度测量绝对误差小于0.02%。
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