分析的准确度与精密度有何区别？我们又分别如何测量他们？
What is the difference between analytical accuracy and analytical precision and how do we measure each of these?
利用国家标准物质杨树叶、甘蓝验证了方法的准确度与精密度。
The accuracy and precision of this method were tested by national standard substances (leaves of aspen and broccoli).
测定方法简便，具有很好的准确度与精密度，平均相对标准偏差为2 72 % ，平均回收率为10 3 87%。
The method is convenient and the results show good precision and accuracy, the relative standard deviation was 2 72% and the recovery rate was 103 87%.
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