New discoveries challenge Lucy's position on the tree of evolution.
然而新的发现则挑战露西在演化史上的地位。
But biologists reconstructing the mammalian tree of evolution from the DNA of living species have come to a different conclusion.
但是利用现存物种的DNA重建哺乳动物系统树的生物学家却得出了不同的结论。
Now, one way of representing the evolution of languages, showing the way languages are related to each other, is with the family tree model.
现在，描述语言的演化、展示语言之间的相互关系的一种方法，是用系谱图模型。
Species of human lice thus mirror the splits in the tree of ape and human evolution.
人体上的虱子物种反映了猿和人类进化历程的分节点。
An UPDATED family tree of the animal kingdom could radically change the way we think about the evolution of species.
最近更新的动物界系谱树可能从根本上改变我们对物种进化的思维方式。
Reconstruction of phylogenetic tree of organisms is one of the most important problems in evolution study.
重建系统演化树是进化研究的一个极为重要的方面。
The product model and the evolution of product and process are set up for product lifecycle. And the assembly topology tree and part topology tree are constructed.
提出了面向产品生命周期的产品模型、产品结构模型的装配拓扑树和零件拓扑树以及产品模型与产品开发过程的进化过程。
The structure and parameters of the flexible neural tree model are optimized by probabilistic incremental program evolution and simulation annealing, respectively.
柔性神经树模型的结构和参数优化分别由概率增强式程序进化和模拟退火算法完成。
Bayesian phylogenetic tree analysis was applied to study evolution rule of H3 strain in detail.
为了进一步刻画H 3序列的变异规律，本研究绘制出了全部序列的进化树。
Insect species on the navel orange tree and the number of species individuals increase with the age advances of the tree. Evolution of the insect groups varies with the changes of age of the tree.
脐橙昆虫种类和物种个体数随树龄的增加而增加，昆虫群落因脐橙树龄的演变而演替。
Insect species on the navel orange tree and the number of species individuals increase with the age advances of the tree. Evolution of the insect groups varies with the changes of age of the tree.
脐橙昆虫种类和物种个体数随树龄的增加而增加，昆虫群落因脐橙树龄的演变而演替。
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