查询词典 vertebrates

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。

All these results support the notion that amphioxus is not only the sister group of the existing vertebrates but also the basal lineage of chordates.

我们的结果说明，文昌鱼不仅是脊椎动物的姊妹类群，而且是脊索动物谱系进化过程中的基部类群。

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。

In vertebrates, neural control of this system is funneled through the hypothalamus to the anterior and posterior pituitary gland.

在脊椎动物，神经网络控制这个系统是通过下丘脑漏斗状的前，后脑垂体。

That commonly inhabit the intestines of human beings and other vertebrates, especially the colon bacillus.

大肠杆菌的寄生在人类和其他脊椎动物的直肠中的细菌的或与之相关的，尤其是结肠菌

A basilisk can live for at least 900 years given an adequate food supply, and as it can eat most vertebrates, this is not difficult to achieve.

只要有足够的食物，蛇怪的寿命至少有九百年，而凡是脊椎动物它们都可以吃，因此这点很容易做到。

The fourth milestone was in the embryonic stage of development . Vertebrates and echinoderms began to develop differentiated mouth structures from secondary openings off the blastopore ( an initial opening in the embryonic cavity ).

第四个重要事件出现动物的胚胎发育期，脊椎动物和棘皮动物开始在胚孔（即动物早期胚胎原肠的开口）相对的一端另行开口，并最终发育为成体的口。

Skull,The bony or cartilaginous framework of the head of vertebrates, made up of the bones of the braincase and face; cranium.

运用你的头脑然后解决这个问题。

The bony or cartilaginous framework of the head of vertebrates, made up of the bones of the braincase and face; cranium.

颅骨，头盖骨：脊椎动物头骨或软骨的框架，由脑骨和脸部的骨头组成；头盖骨

In addition, in vertebrates the sequence, 5' CURAY 3', which is called the branch point sequence, is present in the intron 10-40 bases upstream of the 3' signal sequence.

此外，在脊椎动物的序列， 5 ' curay 3 '性（ r = purina ），即所谓的分支点序列，是目前在内含10-40基地上游的3 '信号序列。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。