这一类群，包括像剑龙和三角龙这样有名的名字，是恐龙被分成的两个分支之一。
This group, which includes such famous names as Stegosaurus and Triceratops, is one of the two clades into which the dinosaurs are divided.
类群之间的差异和每个类群内部的相似性使大多数生物学家确信，生命之树只有两个树干。
The differences between the groups and the similarities within each group made it seem certain to most biologists that the tree of life had only two stems.
伟大的卡洛斯·林奈得出结论，两者是截然不同的类群：翠绿茶和红褐茶。
The great Carolus Linnaeus concluded that the two were distinct taxa: Thea viridis and Thea bohea.
由此划分出的类群称为自然类群。
这取决于它们在许多近缘类群中的稳定性。
This depends on their constancy throughout many allied groups.
动物各主要门的特征及其主要类群的特点。
General features of Phyla, and the characteristics of each group.
真菌在亲缘上是一个异质的类群，有着不同的起源。
Fungi is believed to be a heterogeneous group and developed from several origins.
结果表明：供试的25个自交系共可划分为5个类群。
The results showed that 25 inbreds lines could be classified into five groups.
分类群是指任何一个分类学上的类群，如门、科或种。
A taxon is any taxonomic grouping, such as a phylum, a family or a species.
我们曾看到有的类群从已知的生命肇始时代一直延续到今天。
Some groups, as we have seen, have endured from the earliest known dawn of life to the present day.
在这样的干燥地区，苔藓植物已经成为主要的土壤结皮植被类群。
On the dry environment area, bryophytes have become the main soil crust plants.
根据组成特征认为落叶栎类群在形态上与上述化学组成上存在一致性。
The characteristics of such chemical constituents are found to be consistent with the morphological characters of the deciduous oaks.
四种聚类图都反映了品种的系谱来源，类群划分与系谱并不十分吻合。
All the four cluster could reflect the pedigrees of the cultivars in some degree but is not very anastomose.
如果把它们归类成较大的单位，那么就可以确知某种未知植物属于何类群。
If they are grouped into larger units one can ascertain what group an unknown plant belongs to.
作为沙棘属植物的类群分布中心和起源中心，中国蕴藏有丰富的沙棘资源。
As distribution center and the origin area of Hippophae, China contains rich resources of sea buckthorn.
目的研究口腔健康的成年人和龋病患者唾液中乳杆菌的发酵类群和表面性质。
Objective To study the metabolic groups and surface properties of Lactobacilli from healthy and cariogenic saliva.
利用RAPD分子标记技术，对16个玉米自交系进行亲缘关系的类群划分。
Heterotic groups were classified by cluster analysis with RAPDs based on 16 important maize inbreds.
对水鸟群落进行了周年观察，按鸭科、鹭科、鸻鹬类等类群分析其季节性动态。
Analysis about the seasonal dynamic of avian community by groups, such as Herons, Ducks and Shorebirds.
纤毛虫最重要的3个类群为下毛目、肾形目和前口目，其中又以下毛目种类最丰富。
The 3 most important groups of soil ciliates were Hypotrichida, Colpodida and Prostomatida, among which Hypotrichida had the greatest richness of species.
虻类化石中的许多类群都有访花习性，它们为研究被子植物的起源提供了独特材料。
The fossil Brachycera contain a wider variety of flower visitors, which provide unique material for studying the origin of angiosperms.
选择要将新文件夹设定为适用于邮件存储还是适用于任务或便笺一类群件项目的存储。
Select whether you want the new folder to be used for mail storage of for storage of groupware items such as tasks or notes.
分为四个不同的类群：苏铁类、银杏类、松柏类、买麻藤类植物以及一些化石类群。
There are four widely different living groups : the cycads, ginkgo, conifers, gnetophytes, and several fossil groups.
利用光学显微镜观察了飘拂草属12个类群（包括变种和变型）的叶片下表皮微形态。
The micro-morphology of leaf abaxial epidermis of 12 species(including varieties and forma) of Fimbristylis from shandong were studied under light microscope.
本文主要介绍了生香酵母的类群、筛选分离、鉴定、保存、培养、香气成分及其应用现状。
In this paper, we introduce the community, isolation, identification, conservation, cultivation, aroma component and application of aroma - producing yeasts.
在甘肃白猪的两大地方类群中，临夏类群第8对染色体上次缢痕出现的频率高于武威类群。
In two native groups of Gansu white pig, the frequencies of secondary constrictions in 8th chromosomes in Linxia group were higher than in Wuwei group.
因此，我们有一个正在形成的有花植物的化石记录，包括许多灭绝类群，达尔文会感到高兴的。
As a consequence, we have an emerging fossil record of flowering plants that includes many extinct taxa and would have delighted Darwin.
中国有家畜禽品种、类群596个，其中土著家畜禽品种（类群）占品种总数的70％以上。
There are 596 species of livestock and poultry in China, of which over 70 percent are native species.
中国有家畜禽品种、类群596个，其中土著家畜禽品种（类群）占品种总数的70％以上。
There are 596 species of livestock and poultry in China, of which over 70 percent are native species.
应用推荐