单源的 monophyletic
- 由此得出结论:对规模较小的带单源约束的选址运输问题,本文提出的算法是简便且行之有效的。
So it is a good option for this algorithm to solve small-scale single source capacitated plant location problems. - 硬骨鱼系先前公认的硬骨鱼系的层级不是一个单源的群。它现在有专门的地位,包括像鱼一样的肉鳍次亚纲与条鳍次亚纲。
Osteichthyes The formerly recognized class Osteichthyes is not a monophyletic group. It now has the status of a vernacular to include the fish-like Sarcopterygii and the actinopterygians. - 复系的指的是没有一个共同祖先的一族群。在便利性之下,种可能是来自多个祖先谱系的群集,直到一个单源的分类能被创立。
polyphyletic Refers to a group of species that do not have one common ancestor species. Species may be grouped polyphyletically as a convenience until a monophyletic classification can be made.
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