arithmetical mean 算术平均数 ; [数] 等差中项 ; [数] 算术平均值 ; 算术平均
arithmetical mean test 算术平均测试 ; 算术平均值测试
arithmetical mean temperature difference 算术平均温差
Arithmetical mean sampletree 中央木
arithmetical mean slope 算术平均斜率
arithmetical mean value 算术平均数
arithmetical mean deviation 算术平均偏差
Mean value problems of arithmetical functions play an important role in the study of analytic number theory, and they relate to many famous number theoretic problems.
算术函数的均值问题在解析数论研究中占有十分重要的位置，许多著名的数论难题都与之密切相关。
The mathematical mean of the physical quantity has multiple expressions forms, including arithmetical mean and geometric mean, etc.
物理量的数学平均值有算术平均值和几何平均值等多种表达形式，这些数学平均值所表达的物理含义是不同的。
The arithmetical mean concentrations of co and NO emissions of EFI cars were calculated and their absolute values were predominantly contributed by high concentrations with low frequency.
对电喷车的CO和NO排放浓度做算术平均，其绝对值主要由出现频率少的高浓度值所贡献。
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