目的：提出基因频率矩阵的图论主坐标分析方法，探讨该法在人类群体遗传结构研究中的应用。
Objective: To present the methodology of graph theory principle coordinates analysis and explore its applicability for studying human population genetic structure.
应用该方法分析了互耦阵列的行为，给出了互耦系数的计算方法及其在天线设计中的应用方法。
The action of mutual coupling arrays is analyzed, the computing and application method of mutual coupling coefficient in the design of antenna arrays are presented.
通过实际应用证明该统计分析方法是行之有效的。
The statistical analysis method has been proved to be effective by practical application.
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