单系性

得到的十棵系统发育树拓扑结构不完全一致，各科的单系性除蚓蜥科外都得到支持。

The ten phylogenetic trees obtained were similar but not all the same in topology and supported the monophyly of all sampled families except for Amphisbaenidae .

本文基于18Srdna部分序列，用MP和Baysian方法研究了姬小蜂科的系统发育，对姬小蜂科的单系性及其与其它小蜂科间的关系进行了讨论。

We investigated the phylogeny of the parasitoid wasp family Eulophidae ( Hymenoptera ) using nuclear 18S rDNA partial sequences with maximum parsimony and Bayesian inference methods of sequence analysis .

根据分子数据结合形态上近裔共性，若干分支的单系性得到支持，这些分支包括真双子叶植物、核心真双子叶植物、蔷薇分支和菊分支等。

Several monophyletic clades of seed plants , namely eudicots , core eudicots , rosids , and asterids , were supported by molecular data with their united morphological synapomorphies .

金花梨变异单系抗病性及抗寒性研究

Study on resistance to disease and frigid of Jinhua pear varied strains

结果表明：金花梨部分变异单系在抗病性、抗寒性方面发生了一定程度的变异；

The results showed that the resistance to disease and frigid of the materials varied to some extent .