经验频率采用规范中推荐的公式计算，统计参数用矩法公式计算。
The experiential frequency is calculated with formula recommended in the standard, and statistical parameters are calculated with matrix formula method.
根据串联釜模型和统计矩分析法，通过实验证实了化学反应对分散度的影响；
The effect of chemical reaction on Sample dispersion in flow injection analysis has been verified experimentally on the basis of tanks-in-series model and statistical moment analysis.
统计试验结果表明，修改后的双权函数法无偏性方面优于矩法，有效性与矩法相当；
The Monte Carlo simulation shows that the present method is better than the Method of Moment (MOM) in unbiasedness, and is generally comparable to MOM in efficiency.
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