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系统树
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系统树
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Phylogenetic tree
系统树
基于形态或者分子数据,用来描述生物类群亲缘关系的树状分支结构,又称系统发育树,是研究和推测物种进化历史的拓扑结构。基于分子生物学证据的系统树是研究物种分类、演化、扩散、适应等的主要手段。
Biology
phylogenetic tree
系统树
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multiplicity of a pole
multiplicity of a representation
multiplicity of a ring
multiplicity of a root
multiplicity of a singular point
multiplicity of a solution
multiplicity of a tangent
multiplicity of a weight
multiplicity of a zero
multiplicity of intersection
multiplicity-one theorem
multiplicity theory
multiplier
multiplier algebra
multiplier group
multiplier ideal sheaf
multiplier method
multiplier of a canonical equation
multiplier of a cyclic difference set
multiplier of a difference set
multiplier of a group
multiplier of a Hamiltonian equation
multiplier of an element
multiplier of cyclic difference set
multiplier operator
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