Methods Besaier statistical method was chosen to process the data of the samples, Z-Score was chosen to evaluate the results and experimental deviation.
方法采用贝塞尔统计方法处理样本数据，用Z比分数衡量一个实验室的检测结果与平均值的偏离程度。
An overall evaluation can be obtained based on the combination of direct comparison method and Z-score comprehensive evaluation method.
Z分综合评价法与直接比较法相结合能够对空气质量做出比较全面的评价。
Methods: The testing results of arsenic and mercury in water were analyzed by using "Z-score" statistical method which is for international purpose.
方法：采用国际通用的稳健统计用“Z比分数”的统计方法对水中砷、汞的检测结果进行分析。
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