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地理分布

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Gloydius which belong to Viperidae Crotalinae is a colony of advanced viper.Their live environments are diversiform: jokuls, altiplanos, hills and plains. Gloydius isa group has highly differentiation and in a phase of radialization evolution, even thedifferent colonies of same species have diversity in morphologic and gene level. Chinahas abundant Gloydius, but the genetic diversity and their distribution pattern are littleresearched.

亚洲蝮属隶属于蝰科、蝮亚科,是一类高等的毒蛇,其分布范围广泛且生境差异较大,从雪山、高原、丘陵至平原,是一个高度分化、适应多种环境条件的类群,且尚处于辐射进化阶段,甚至同一物种的不同地理种群已表现出明显的形态和基因水平的差异。

Moreover, the system of secondary development has function that stores ultimate figure result into spatial database, it is not steady but flexible at any moment, it can so discretionarily superpose together with other figure layers that it forms synthesis figure set of multi-layer superposing and complicated content for the zone supplying accessorial support.

经二次开发实现的该应用型地理信息系统的另一个重要的功能还在于,能将以上最终成果图件存储于空间数据库中,之后可随时调用,与其它图层任意叠置,共同构成多层叠置、内容复杂的综合图件,为研究该地区水化学分布规律提供辅助决策支持。

Located at the southern tip of Handan City, Hebei Province, and Shanxi, Shandong, Henan bordering thoroughfare four provinces have special geographical location, and 106,107 national communication north and south of Beijing-Zhuhai Expressway, 309 National Road and the east-west highway Dracocephalum, Trunk Road network distribution, transportation is very convenient.

邯郸市位于河北省南端,与晋、鲁、豫接壤,有着四省通衢特殊的地理位置,106、107国道和京珠高速公路沟通南北,309国道和青兰高速公路横贯东西,干线公路网状分布,交通十分便利。

Col gene fragment of Engraulis japonicus of different geographical populations are amplified and sequenced.

本研究进一步对分布于黄、东海海域不同地理群体的鳀鱼mtDNA CoI基因片段进行了PCR扩增和测序。

According to the physical geography characteristics and spatial distribution,wetland in the Yangtze Basin can be divided into three groups mainly: estuarial and coastal wetland, river-lake wetland in middle and lower reaches of the Yangtze River and Yunnan-Guizhou plateau lakes wetland.

该文根据湿地的自然地理特征及空间分布,将长江流域的湿地大致划分为长江河口地区滨海湿地,长江中下游地区河流、湖泊湿地,长江上游云贵高原湖泊群湿地三种类型。

The spatial distribution dispersion rules of Evodia meliaefolia population and Camellia oleifera population were also analyzed by using the geographic information system software Arcview3.2 assembled with R2V by the way of substituting temporal change with spatial difference.

本文以位于广州市内的白云山风景名胜区森林植被中的芳香植物楝叶吴茱萸群落为研究对象,在调查样地设置50个10 m × 10 m的样方,应用相邻格子法进行调查,对楝叶吴茱萸群落的组成及结构特征、主要树种的分布格局类型进行了分析;采用R2V、Arcview3.2等地理信息系统软件以&空间差异替代时间变化&的方式,对楝叶吴茱萸和油茶种群空间扩散规律进行模拟分析,从而探讨森林景观的物种流功能。

Analysis of floristic geographycal elements indicates that the percent of pan tropical and tropical elements are high.

根据区系的地理成分分析,泛热带和热带分布的热性成分百分数较高。

All thegeographical units are divided into three groups according to the glires species component by hierarchical clusteranalysis, i.e.

地理单元有无物种分布的层次聚类分析结果表明,我国湿润半湿润地区分为三大区域

All thegeographical units are divided into three groups according to the glires species component by hierarchical clusteranalysis, i.e. north and south of the monsoon region dividing by the line from lower reaches of Yangtze River to theling Mountain, and the semi-humid zone of the Qinghai-Tibet Plateau.

地理单元有无物种分布的层次聚类分析结果表明,我国湿润半湿润地区分为三大区域:东部季风区的南北两区(以长江下游-秦岭一线分界),以及青藏高原的半湿润区。

The most serious desertification occurred in southeast of MuSu Desert,then appeared inferior degree in midst,north,south and east,anddegression degree in other directions.6.The changes of environment in Mu Su Desert in historical times havebeen controlled by climatic changes in temperature and drought-wetwithin hundreds or thousands years.At present,it came into being suchspatial structure and environmental characteristics fordesertification land because of being relative to other naturalgeographic characters and human activities.In all that,physiognomyand hiemal wind are the driving factors.The sandy matter in stratumis the physical fountain factor.The depravation of surface water inthis region is one of representations of environmental changes, meanwhile,it is also the factor which leads to the degradation ofvegetation and desertification.On the whole,human activity has actedupon these natural elements,becoming a dominant factor in the regionalenvironment changes since Ming and Qing dynasty.7.Influencing of human activities on the environment of Mu Su Deserthad occurred before Qin dynasty,and its intensity of earlier influencewas so slight that it could not cause a large scope and long timeenvironmental changes.

沙漠化的程度是东南部最强,中北部、南部和东部次之,而后向其他方向递减。6、毛乌素沙地历史时期的环境变化是受百年乃至千年尺度的气候冷暖、干湿变化控制的,之所以形成目前这样的沙漠化土地空间分布格局和环境特征,则与其地的自然地理特征和人类活动有密切关系,其中地貌及冬季风是动力因素;地层中的沙物质是物源因素;地表水环境恶化是区域环境变化的表现之一,同时又是植被退化和沙漠化的引致因素;人类活动总体上是叠加在自然因素之上的,只是明清以来在局地环境变化中成为主导因素。7、毛乌素沙地人类活动的环境影响在先秦时期就已出现,早期的影响程度是轻微的,不足以造成大范围、长时段的环境变化。

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推荐网络例句

We have no common name for a mime of Sophron or Xenarchus and a Socratic Conversation; and we should still be without one even if the imitation in the two instances were in trimeters or elegiacs or some other kind of verse--though it is the way with people to tack on 'poet' to the name of a metre, and talk of elegiac-poets and epic-poets, thinking that they call them poets not by reason of the imitative nature of their work, but indiscriminately by reason of the metre they write in.

索夫农 、森那库斯和苏格拉底式的对话采用的模仿没有一个公共的名称;三音步诗、挽歌体或其他类型的诗的模仿也没有——人们把&诗人&这一名词和格律名称结合到一起,称之为挽歌体诗人或者史诗诗人,他们被称为诗人,似乎只是因为遵守格律写作,而非他们作品的模仿本质。

The relationship between communicative competence and grammar teaching should be that of the ends and the means.

交际能力和语法的关系应该是目标与途径的关系。

This is not paper type of business,it's people business,with such huge money involved.

这不是纸上谈兵式的交易,这是人与人的业务,而且涉及金额巨大。