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gong lu gong cheng zhi liang jian yan zhong de liang zhong bao zheng lv xi shu bian xi
Author(s): 
Pages: 29-30
Year: Issue:  1
Journal: Highways & Transportation in Inner Mongolia

Keyword:  工程质量检验评定保证率系数区别正态分布t分布;
Abstract: 用数理统计方法对工程质量进行检验评定时,对观测值的分布情况,可认为符合正态分布或t分布规律,因而在计算观测值的代表值时,要采用两种不同的保证率系数。文章对两种保证率系数的出处、区别、使用方法作了简要辨析。
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