“活化石”是在种系发生中的某一线系长期未发生前进进化，也未发生分支进化。
A "living fossil" of the species occur in a long - line forward evolution happened, was no evolutionary branches.
建议应尽快进行群体遗传结构、种系发生及遗传资源的收集、保存和利用方面的研究。
So population genetic structure, phylogeny, as well as collection, conservation and utilization of Quercus should be studied as early as possible.
基因种系发生树表明近几年甲型流感病毒与90年代流行株存在基因特性不同的分支。
The phylogenetic tree showed that in recent years there existed a branch for influenza a virus of genetic characteristic different from that of epidemic strains in 1990s.
不同类型大脑皮质皮质板的分化顺序为古皮质→旧皮质→新皮质，与种系发生的顺序相符。
The differentiating sequence of the cortex plate in different types cortex in goat fetus is from archicortex to paleocortex and to neocortex, which is similar to the law of phylogeny.
研究结果支持了共情行为在哺乳动物内具有种系发生连续性的假说，并为进一步的研究提供了行为模型。
The current results have provided evidence for the hypothesis that empathy is phylogenetically continuous in mammals and has provided a rats' model of empathy for further research.
结果治疗前的HVR1区氨基酸序列高度变异，基于HVR1序列的种系发生树提示序列变化与干扰素应答类型无关。
Phylogenetic tree analysis based on pretreatment HVR1 sequences was undertaken. Results The E2 HVR1 sequences from pre treatment sera were highly diverse among different isolates.
结果治疗前的HVR1区氨基酸序列高度变异，基于HVR1序列的种系发生树提示序列变化与干扰素应答类型无关。
Phylogenetic tree analysis based on pretreatment HVR1 sequences was undertaken. Results The E2 HVR1 sequences from pre treatment sera were highly diverse among different isolates.
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