地理分布
- 与 地理分布 相关的网络例句 [注:此内容来源于网络,仅供参考]
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Combined the cases in China , the important roles of hydrobiology in the studies on systemic phylogeny, geographic distribution, biological and economy have been illustrated.
本课程是主要介绍水生生物的形态和分类,并以此来研究各种生物在分类系统中的地位,掌握鉴别的方法和步骤,用来探讨生物的系统演化、地理分布、生物学和经济意义等等。
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Studies on origin and geographic distribution of Rhododendron L.
Title 杜鹃属的地理分布及其起源问题的探讨。
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The floods of rainstorm occurred in extensive areas and laster for a long period in the Yangtze Valley in the summer of 1788.Before the persistent flood of rai...
长江的稀遇洪水暴雨,概括起来有流域持久和局部特大两种类型,不仅地理分布存在差异,其前期天气气候象征也有
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Low temperature is a major factor limiting the productivity and geographical distribution of many plant species.
低温是影响许多植物的产量和地理分布的一个主要环境因素。
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The study of the geographical distribution of linguistic features.
对语言特性的地理分布的研究。
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Sir C. Lyell in a striking passage has speculated in language almost identical with mine, on the effects of great alterations of climate throughout the world on geological distribution.
莱伊尔曾在一段动人的文章内,用和我几乎相同的说法推测了全球气候的大变动对于地理分布所起的影响。
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It is divided into four types: narrow sense omamental stones, gem-jade stone and color stone, omamental rock, omamental ore and mineral based on the form character. It has been studied on the cause, form character and the geographical distribution of geological evevt stone of Jinhajiang ophiolite, Sanjiang stone, gem-jade stone and color stone. Two new types of ornamental stone, Jinshan stone and Mahua stone have been discovered.
主要根据形态特徵把三江区观赏石资源划分为狭义观赏石、宝玉石和彩石、观赏石材及观赏矿石矿物四大类,重点研究了金沙江蛇绿岩地质事件石、三江石、宝玉石和彩石的成因、形态特徵及地理分布,并新发现了两类造型石——金山石和麻花石。
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In this paper,the geographical distribution,profile shape and char- acteristics of major soil types such as the young brown earth,brown earth and meadow brown earth in the eastern low-mountain and hilly region and the meadow soil,saline meadow soil and paddy soil in the western plain region in Haicheng county of Liaoning Province are diseribed;the primary physico-chemical properties,organic matter,total nitrogen,total phosphorus,total potassium,total exchange of positive ions,the content of.01 physical cl...
本文叙述了海城县东部低山丘陵区的棕壤性土、棕壤、潮棕壤和西部平原区的草甸土、盐化草甸土及水稻土等主要土壤类型的地理分布、特性、剖面性态;论述了这些土壤类型的主要理化性质,有机质、全氮、全硷、全钾、阳离子代换量、。01物理性粘粒含量等及微量元素的含量、丰缺程度。根据主要土壤类型的性质和特点,作者提出了棕壤、草甸土两大土类的合理利用意见及其改良措施。
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Molecular systematics on germplasm resources of oak silkworm, Antheraea pernyi , including genetic diversity, cultivar taxonomy and microevolution within species, were investigated using Random Ampified Polymorphic DNA, mtDNA sequence analysis and population genetic analysis.
1.1.1 柞蚕的地理分布 20-211.1.2 柞蚕种质资源的收集、改良、保存和利用 21-231.1.3 柞蚕的滞育和化性 231.1.4 柞蚕的体色 23-241.1.5 柞蚕品种资源的系统分类 24-251.1.6 柞蚕杂种优势的利用研究 251.1.7 柞蚕的起源与传播 25-28
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The distributions of the bioavailable heavy metals in the coastal waters of Guangdong Province were discribed by oyster monitory.
利用牡蛎做监测生物,研究了广东沿岸海域生物可利用性重金属Cd、Cu和Zn的地理分布。
- 推荐网络例句
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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。
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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。
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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。