species的例句大全

Three types of perforation structure were recog-nized in these species.

根据穿孔板的结构可分为三种型式：（1）单穿孔板，这类穿孔板较普遍存在。

The Effects of Night Chilling on Chlorophyll Fluorescence in Seedlings of Two Tropical Rain Forest Tree Species

夜间低温对2种热带雨林树种幼苗叶绿素荧光的影响

Pharmacological Actions of Different Species form Genus Pyrola

鹿蹄草不同品种药理作用比较研究

The main results were as follows: 1. We further confirmed the genus and species name of strain 34-9 by using rDNA-ITS molecular identification.

主要研究结果如下：1.利用rDNA-ITS分子鉴定，进一步证实了菌株34-9的属、种名。

Study on Fire Resistance of Bark of 3 Coniferous Tree Species

3种针叶树种树皮抗火性研究

Preliminary study on Cuttage of four coniferous tree species introduced from abroad

4个国外引进树种扦插试验初报

By discussion about a half-neutralization in an acid-base equilibrium, we reveal how the three connected species of acid system can coexist in solution with equal concentrations or percent of its conjugate base, and offer the method of preparation for this solution.

通过对鲜见报道的半中和酸碱平衡现象的深入讨论，揭示了相关三组分等浓度或等含量共存平衡的充分必要条件及相应的配制方法；

The special pattern of the constructive species is the important features of the community.

森林群落建群种的空间格局是群落结构的重要特征。

The spatial distribution of constructive species of Northeast forest under the climate changing

气候变化条件下东北森林主要建群种的空间分布

Floristic Characteristics of Main Constructive Species of Forest in Henan

河南森林主要建群种区系特性研究

Field Spectral Features and Constructive Species Classification of Vegetation in Modern Yellow River Delta Using Landsat TM

现代黄河三角洲植被主要建群种野外光谱特征及TM分类试验

Results show that there existed no peculiar constructive species in the secondary community, but only hardy grasses and forbs.

结果表明：在沿线两侧形成的次生群落中没有特有的建群种，大多数是耐瘠薄的禾草和杂类草；

Adopting Shannon-Wiener, the niche breadth index, the article classified constructive species on both slopes into 3 ecologic groups respectively.

本文采用Shannon-Wiener生态位宽度指数将南北坡群落的建群种群分别划分为3个生态类群。

The genetic distance and geographic distance of the species have the clear positive relation, and the genetic continuity is obvious and the elevation factors affect the isolation of Korean pine lightly among the populations in different elevation.

不同海拔红松之间的遗传距离和地理距离之间有明显的正相关性，而且不同海拔之间的遗传一致度较大，海拔因子对红松的隔离较小。

Besides, our results also support that comprehensive comparative analysis of mtDNA represents an accessible and powerful tool to identify cryptic species.

此外，研究结果也支持了综合比较分析线粒体基因组是一种识别隐存种有力的工具。

Mao bamboo is a main species of culm-producing and shoot-producing bamboo s in present in our countries.

毛竹是我国目前最主要的材用和笋用竹种。

Some hypotheses have been suggested, e.g. the conflict between morphological and molecular evidence might result from parallel evolution and/ or convergence and occurrence of cryptic species.

关于分子与形态数据之间的矛盾，系统和分类学家也提出了诸多的假设，例如形态性状的平行进化或者趋同进化和隐种的存在。

Early genetic structure based on short fragment Cyt b of spinosa quite different, suggesting that there may be hidden to cryptic species.

前期基于cyt b较端片段序列研究表明，棘胸蛙遗传结构差异较大，暗示可能存在隐存物种。

Comparison of Content and Electrophoretic Pattern of Seed Proteins of Four Cultivated Species in the Genus Cucurbita

南瓜属4个栽培种种子蛋白及电泳图谱的比较

Combined with previous research, there are two cryptic species at least in p. spinosa in widely distributed in southern China.

结合以往的研究，广泛分布在中国南部的棘胸蛙可能至少包含2个隐种。