Discussions on phylogenetic classification and evolution of sect . thea 关于茶组植物分类与演化的讨论
2.
Phylogenetic classification systems attempt to reflect the evolutionary relationships of taxa 系统发生分类系统试图反映分类群之间的进化关系。
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William s - y . wang has discussed in his paper the mathematical basis of the tree model popular in phylogenetic classification of languages and dialects and in biological sciences . his exposition on feature matrix to tree conversion is particularly enlightening 王士元在他的文章中讨论了在方言和语言演进研究以及生命科学里经常使用的树模型数学基础，并特别强调了矩阵到树的转换。
