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.
采用混合坐标法建立了某空间光学望远镜可展开主镜的动力学模型。
Dynamic modeling of deployable mirror system of the next generation space telescope is derived by the hybrid coordinate method.
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