A mathematical statistic method is proposed in this paper, to solve such a problem.
本文通过使用数理统计法，来解决上述问题。
The feasibility of COD determination in refinery sewage was analyzed by spectrometric method of catalysis-free microwave digestion with mathematical statistic method.
利用数理统计方法对无催化-微波消解光度法测定炼油污水COD的可行性进行了分析。
Mathematical statistic methods of rock mechanics parameters are studied, mostly including abnormal data preprocessing, random-fuzzy method, test on probability distributing.
研究了力学参数的数理统计方法，主要包括力学参数异常数据预处理、随机-模糊处理方法和力学参数的概型检验。
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