由于很多营养素的需要量不是正态分布的，那么人群其他的变异频率就有必要考虑了。
Because the requirements for many nutrients are not normally distributed, other considerations of population variability frequently are necessary.
设计了统计直方图数据处理方案，按照正态分布的特性找出了寄生频率调制的标准偏差。
Statistics histogram data processing scheme is designed. Standard deviation of frequency modulation is found out according to normal distribution characteristics.
不同树干部位木材纤维的长短频率分布均匀且遵从正态分布。
The frequency of the wood fiber length in different parts of the trunk is in evenly normal distribution.
结论中国哈萨克族TPMT活性呈正态分布，总TPMT基因突变频率同汉族相比差异无显著性。
Conclusion There were no statistically significant differences in Chinese Kazakstan and Chinese Han in distribution of TPMT activity and genotype frequence of TPMT.
结果正态性检验和频率分布曲线分析显示，所获数据符合或基本符合正态分布。
A normal distribution of our data was shown using the normality test and distribution curve.
结果正态性检验和频率分布曲线分析显示，所获数据符合或基本符合正态分布。
A normal distribution of our data was shown using the normality test and distribution curve.
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