混合溶液法的精密度、反应现象、读数误差、试剂用量及费用等方面均优于KI溶液法。
Several aspects were compared, such as accuracy, phenomenon, reading error, cost and the use level of reagent. Mixed solution method was superior to KI solution method.
接着，分析了采用低精度仪表自动判读方法对高精度仪表进行自动读数时，引入误差会增大高精度仪表的读数误差。
Secondly, the paper analyzes that importing error will increase reading error when the automatic recognition method of low-precision meters is used to recognize the reading of high-precision meters.
实验结果表明该方法比传统方法速度快、精度高，系统读数平均误差仅为0.016%。
The experimental result demonstrates that the methods are much faster and more accurate than the traditional methods, and the mean error of reading value is only 0.016%.
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