查询词典 evolution

However, the evolution of the amniote heart is poorly understood.

本期封面所示为乌龟和蜥蜴心脏的三维图像。

The result showed that newwheat species might be prodcued in progeny of unstable amphidiploid, which offeredsignificant pattern for evolution from octaploid wheat to hexaploid wheat and widenedthe train of thought of studying the origin of biological species.

这个结果显示，通过对双二倍体分离后代的有效选择，有可能形成一个新的小麦种，从而为从八倍体小麦向六倍体小麦演化提供了一个新的进化模式，拓宽了研究物种起源的思路。

Studies on gene structure, function and expression in amphioxus will contribute to the understanding of the origin and evolution of the vertebrates.

利用分子生物学手段，研究文昌鱼有关基因的结构、进化和表达，可以从分子水平上来揭示包括人类自身在内的脊椎动物的起源。

Amphioxus is expected to be a model laboratory animal in the near future because of its important position in evolution, simplified internal organ systems and transparent body.

文昌鱼特殊的进化地位、简单的器官系统和终生透明的躯体等特征，使其很有希望成为一个新型实验室模式动物。

Amphioxus, a cephalochordate, is believed to be the closest living relative of the vertebrate. It is often regarded as an important model animal for phylogenetic studies on the evolution of animals from invertebrate to vertebrate.

文昌鱼是头索动物，被认为是现存的与脊椎动物最接近的无脊椎动物，经常被看作是分析从无脊椎动物到脊椎动物进化过程的一种重要的模式动物。

ABSTRACT Amphioxus, a cephalochordate, is the closest living relative to vertebrate, and has been widely known as the most important animal to study the origin and evolution of vertebrates.

文昌鱼是介于无脊椎动物和脊椎动物之间的过渡类型，是研究动物进化和胚胎发育的典型材料。

Common wheat ; Wheatgrass ; Amphiploid ; Specific DNA sequences ; RFLP analysis ; Genomic changes ; Polyploid genome evolution

小麦；天蓝冰草；双二倍体；专化DNA序列； RFLP分析；基因组变异；多倍体基因组进化

This first transfer of political power from a ruling party to an opposition party symbolizes a significant change in Taiwan's political evolution.

首次的政党轮替，对於台湾的政治发展而言，是具深远意义的政治变迁。

From taking a look on the law of development of furniture style, the history of furniture has come through an endless evolution in each period,just as the anagenesis of human being.

主要的家具风格有传统风格、乡村的民俗风格、当代\现代家具风格几种类型。

Cook seems to have been the first to coin the term 'speciation' for the splitting of lineages or 'cladogenesis,' as opposed to 'anagenesis' or 'phyletic evolution' occurring within lineages.

这一术语与发生在世系内的"前进演化"或"种族的进化"这些提法相抵触。

Multifold report forms and statistic diagrams can be generated and the control diagram required for working procedure can be produced.

生成各类统计报表，和统计图，做出工序控制所需的控制图。

The best example of their conservativeness would probably be the case of how they had treated Galileo.

我们从教廷如何对待伽利略就可看出他们对於科学性的新发现是多麼的恐惧。