应证明已知生物基质内分析物浓度的准确度和精密度可以确定。
The accuracy and precision with which known concentrations of analyte in biological matrix can be determined should be demonstrated.
通过试验，确定了各项分析条件的选择，结果表明：该方法的准确度、精密度符合分析要求。
Every analysis conditions is choosed by the testing, the result shows that accuracy and precision of method can meet the requirement of analysis.
比较了一次滴定与两次滴定结果，确定了两步滴定分析方法，通过精密度、准确度试验，证明方法可靠。
The two steps titration method has been set up through its comparison with the single step one. The method so adopted shows reliable through its precision and accuracy tests.
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