Estimating of substitution number of amino acids is basic statistic methods of measuring evolution distance between proteins, which is the base of researching molecular evolution of protein.
氨基酸替代数的估计是测定蛋白质分子间进化距离的基本统计方法，是研究蛋白质分子进化的基础。
The measurement of central tendency and dispersion is the most basic statistic analysis of spatial pattern.
集中趋势的度量和分散趋势的度量是对空间模式最基本的统计分析。
Applying the basic principles of statistic theory and determined models, the article tries to evaluate the characteristics of geological phenomena in the field of geological engineering.
该文应用统计理论以及确定性模型的基本原理，评价了地质工程领域中的地质现象特征。
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