Drosophila melanogaster species group
黑腹果蝇种组
serving to distinguish or identify a species or group
用以辨别或者确定某个物种或者群体
Composition of the species, group and genus is different.
种、群、属组成各不相同。
Formenkreis A group of related allopatric species or subspecies.
多型种一群相关的异地种或亚种。
We say that what group A is to group B, species A is to species B.
我们是说, 群体甲之于群体乙, 如同品种甲之于品种乙。
A third group of species with diagnostic value are the constant companions.
具有鉴别价值的第三组植物是恒有伴生种。
The red oak group comprises many species, of which about eight are commercial.
红橡树有许多品种，其中大约有八种是商用树木。
Research on the karyotype and evolution of drosophila melanogaster species group
黑腹果蝇种组的核型与进化研究
Although the original species becomes extinct, its genes are carried by the new group.
原来的种虽然绝灭了，但其基因则被一个新的门类所继承。
The oaks are by far the largest species group growing in the Eastern hardwood forests.
橡木是东部阔叶木林树种之中，品种数目最多得树木。
Functional group classification of shrub species in the Funiu Mountain forest ecosystem
伏牛山森林生态系统灌木植物功能群分类
polyphyletic Refers to a group of species that do not have one common ancestor species.
复系的指的是没有一个共同祖先的一族群。
Achievements on Species Improvement of Cathay Poplar Group and Breeding Base Construction.
青杨派树种改良及综合繁育基地建设成果
In small square analysis the coverage is estimated for each species or group of species present.
在小样方分析中，为出现的每个种或种组测定盖度。
The Relationship between Existence and Extinction of Natural Environment and Group of Biological Species
自然环境与生物种群的生灭关系
Group initiations are a pre requisite to consensus ascension for all species individually and collectively.
群体提升是让所有物种个体与集体一起提升的先决条件。
breeding Reproduction within a species or group of closely related species normally used for cultured organisms.
繁殖群体物种的繁殖行为通常用在养殖生物中。
Environmental gradient analysis and species group division of tree species distribution in eastern Zhongtiao Mountain.
中条山东段森林乔木树种分布的环境梯度分析与种组划分
Objective To establish ultraviolet absorption spectra lines group method for distinguishing Jinniukou and similar species.
目的建立金钮扣及类同品的紫外光谱鉴别方法。
Therefore the correlation of ecological group of species, plant community and environment could be used as a basis for classifying site types.
阐明了生态种组与植物群落及立地的关系。
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