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geographic distribution
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  地理分布
     The geographic distribution of westward drift were large in 40—80°N and 70~80S and were small in 0—60°S.
     西漂的地理分布特征是北纬 40~ 80°N和南纬 70~ 80°S之间西漂速度较小 ,0~ 6 0°S之间西漂速度较大 .
短句来源
     The first set of geographic distribution maps of human gene in China are published, including 12 alleles: I~B and I~° of ABO system, m of MNS system, P1, Rh-D, A1 and A11 of HLA system, Gm1:21 and Gm1,3:5 of immunoglobulin, AK1, defficient type of G6PD, and PTC test blindness gene t.
     发表了我国首批绘制的人类基因地理分布图,包括12个等位基因,即 ABO系统的IB,IO, MNS系统的 m, Rh-D, HLA系统的 A1与A11,人体免疫球蛋白的 Gm1:21与Gm1,3:5, Ak1,G6PD缺陷型,以及PTC味盲基因。
短句来源
     Geographic distribution of soybean varieties with restoring genes for M-type cytoplasmic-nuclear male sterile line W931A
     大豆M型质核互作雄性不育系W931A具恢复基因的品种地理分布
短句来源
     A maize planting area and yield estimate model was established for Yinchuan district using data of NOAA\AVHRR and meteorological data during 1992 to 1998. An inversion was made on the geographic distribution of maize.
     利用 1992~ 1998年的NOAA \AVHRR资料和气象资料 ,建立了银川地区玉米种植面积和单产估测模式 ,并就玉米的地理分布进行反演。
短句来源
     This paper reports that there are 3 subfamiliae, 12 tribes, 20genura, 48 species of tenebrionid beetles in Ningxia and their geographic distribution is also described.
     本文报道宁夏拟步甲科昆虫3亚科12族20属48种(亚种)及其地理分布
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  地域分布
     A remarkable epidemiological characteristic for GCA is its very similar geographic distribution with esophageal squamous cell carcinoma (SCC).
     GCA的显著流行病学特征是其与食管癌(Esophageal squamous cell carcinoma,SCC)地域分布的一致性。
短句来源
     The Geographic Distribution Characteristics of High-Stature Youth in China
     中国高身材青少年的地域分布特点
短句来源
     Based on the discussion of its major characteristics, growth speed, sectoral structure,future tendency and geographic distribution, the regional patterns of the international trade in service are summerised in this paper.
     本文在论述国际服务贸易基本特点的基础上,分析了国际服务贸易的发展速度、结构、方式和趋势,并根据其地位和地域分布特点,总结了国际服务贸易的基本格局。
短句来源
     Gastric cardia adenocarcinoma (GCA) is also one of the most common malignant diseases in northern China, especially in Linxian and Anyang, the geographic distribution for GCA is very consistent with EC.
     贲门癌也是我国北方地区特别是河南林州及安阳等地最常见的恶性肿瘤,并与食管癌地域分布相一致,近二十年来胃远侧肿瘤发生率呈明显下降趋势,而食管和胃交界部腺癌的发生率呈现明显的上升趋势。
短句来源
     Geographic Distribution And Its Cause Of Confucian CultureIn Taiwan In Qing Dynasty
     清代台湾儒学文化的地域分布及原因
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  区位分布
     On the Optimization of the Geographic Distribution of FDI in China
     外商在华直接投资的区位分布刍议
短句来源
     Based on the theory of location, the economics of MNEs, The paper collects and processes a great deal of real data for FDI and provides a set of index system, which reflects the ability of attracting FDI of each region, applies location factors analysis, the econometric models and multi-regression analysis to examine the determinants of FDI on geographic distribution, to evaluate the investment environment of each province.
     建立在区位理论、外国直接投资理论的基础上,本文搜集并整理了大量统计数据,并设计了一套反映各地区引资潜力的指标体系,应用计量模型、多元回归等方法去检验FDI的区位分布情况,并评价各地区的投资环境。
短句来源
  “geographic distribution”译为未确定词的双语例句
     AIM:To investigate the geographic distribution of T102C genotypes frequency of 5-hydroxytryptophan 2A(5HT2A) receptor in schizophrenia patients in different areas.
     目的:调查中国不同省区精神分裂症患者5-羟色胺2A(5-hydroxytryptophan2A,5HT2A)受体基因T102C基因型频率在地理上的分布。
短句来源
     (3) Mutations associated with HCC in the present study were V1753 and T1762/A1764. Conclusions HBV/C1 and HBV/C2 have distinct geographic distribution in China.
     ④肝细胞癌(HCC)患者中,V1753和T1762/A1764变异最常见(P<0·05)。 结论HBV/C1和HBV/C2在中国有明显的地区差异;
短句来源
     Objective To investigate the geographic distribution of 5-HT2A T102C genotypes frequency in the PLA schizophrenia patients.
     目的 调查不同省区军人精神分裂症患者5-HT2A受体基因T102C基因型频率在地理上的分布。
短句来源
     6 species and 2 varieties of Umbelliferae are new medicinal resources,1 variety is new record species of geographic distribution.
     伞形科药用植物新记录1变种,贵州药用新资源6种2变种;
短句来源
     According to the demographic and geographic distribution,the Gini Coefficient are 0.17 and 0.59 respectively.
     按照人群分布和陆地面积分布的Gini系数分别为0.17和0.59。
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  geographic distribution
The mtDNA haplotypes were shown to form three phylogenetic groups, whose geographic distribution corresponded to three Dolly Varden subspecies: S.
      
The geographic distribution of hereditary diseases (HDs) in different populations and ethnic groups of Russia has been studied.
      
The property ranges of soil series and their geographic distribution have generally been narrowed over time, thus, allowing more precise interpretations to be made.
      
These data significantly change knowledge on their geographic distribution.
      
The stratigraphic range and geographic distribution of O.
      
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China is one of the countries with the most numerous species of Dendrolimus in theworld. There are 13 known species. According to the research on the classification anddistribution of Dendrolimus in the country, by the Institute of Zoology, Academia Sinica,during the past years, the results indicate distinctly that their geographic distribution andthe distribution of their host-plant are closely related. Selecting the highest grade flora of China, we draw a line which divides the wholecountry into...

China is one of the countries with the most numerous species of Dendrolimus in theworld. There are 13 known species. According to the research on the classification anddistribution of Dendrolimus in the country, by the Institute of Zoology, Academia Sinica,during the past years, the results indicate distinctly that their geographic distribution andthe distribution of their host-plant are closely related. Selecting the highest grade flora of China, we draw a line which divides the wholecountry into two main portions: the eastern and western divisions. The former, wherethe climate is humid and pine forests are luxuriant, is the main distributional region ofDendrolimus, while the latter, where weather is arid and with plenty of desert stepp-es, generally there are no Dendrolimus. At the same time, it has also been discoveredthat the distribution of Dendrolimus is not only closely related to altitude, but also tolatitude. According to the distribution of their host-plant, Larix olgensis var. koreanaand Pinus massoniana (with the isotherm of an average temperature of January at--12℃ and 0℃), we assume to subdivide the eastern division to 3 regions as north-eastern, northern and southern districts of China. In each of the districts there are dif-ferent distributions of Dendrolimus. Generally in the northeastern district of China, theD. sibiricus Tschetv. is distributed. The northern and the southern districts of China mayagain be subdivided into its own inland and coastal parts. The D. tabulaeformis Tsaiet Liu is distributed in the terrestrial and the D. spectabilis Butler in the coastal partof northern district of China. A great part of southern district of China is distributedwith coastal D. punctatus Walker, and the southwestern inland region is distributed withthe D. latipennis Walker, D. xichangensis Tsai et Liu and D. kikuchii Mats. The divisionbetween inland and coastal parts within the two districts mainly depends upon the dis-tribution of the host-plant of Pinus tabulaeformis Carr. and Pinus massoniana Lamb.

我国的松毛虫种类已知的有13种,是世界上已记载的松毛虫种类最多的国家。 根据中国科学院动物研究所历年来在国内所收集的松毛虫种类和分布的资料,结合已知主要松树种类的天然分布进行综合分析的结果,显示出松毛虫不同种类的地理分布与其寄主植物的天然分布有着密切的相关。例如西伯利亚松毛虫的分布只限制在东北地区兴安落叶松、黄花松的天然分布范围里,油松毛虫在油松分布区,赤松毛虫在赤松分布区,云南极毛虫在云南极分布区以及马尾松毛虫在马尾松分布区等。 由于这些松树种类彼此间的天然分布界限十分明显而基本上少有重迭,因此试将我国东部地区松毛虫不同种类的地理分布按照其寄主植物划分为以下三个部分、五个松毛虫区: 一、东北部分 北界大兴安岭,南至安东—沈阳线(相当于全国一月份平均-12℃等温线),是西伯利亚松毛虫主要分布区,也是兴安落叶松和黄花松天然分布所在地。故名1)西伯利亚松毛虫区。 二、华北部分 北界西伯利亚松毛虫区,南至淮河流域(相当于全国一月份平均0℃等温线),是油松毛虫和赤松毛虫主要分布区,也是油松和赤松的主要分布所在。因此可分为2区: 2)油松毛虫区 主要位置在冀热山地和黄土高原东部,是油松毛虫分布区,是油松分布所在地。 3...

我国的松毛虫种类已知的有13种,是世界上已记载的松毛虫种类最多的国家。 根据中国科学院动物研究所历年来在国内所收集的松毛虫种类和分布的资料,结合已知主要松树种类的天然分布进行综合分析的结果,显示出松毛虫不同种类的地理分布与其寄主植物的天然分布有着密切的相关。例如西伯利亚松毛虫的分布只限制在东北地区兴安落叶松、黄花松的天然分布范围里,油松毛虫在油松分布区,赤松毛虫在赤松分布区,云南极毛虫在云南极分布区以及马尾松毛虫在马尾松分布区等。 由于这些松树种类彼此间的天然分布界限十分明显而基本上少有重迭,因此试将我国东部地区松毛虫不同种类的地理分布按照其寄主植物划分为以下三个部分、五个松毛虫区: 一、东北部分 北界大兴安岭,南至安东—沈阳线(相当于全国一月份平均-12℃等温线),是西伯利亚松毛虫主要分布区,也是兴安落叶松和黄花松天然分布所在地。故名1)西伯利亚松毛虫区。 二、华北部分 北界西伯利亚松毛虫区,南至淮河流域(相当于全国一月份平均0℃等温线),是油松毛虫和赤松毛虫主要分布区,也是油松和赤松的主要分布所在。因此可分为2区: 2)油松毛虫区 主要位置在冀热山地和黄土高原东部,是油松毛虫分布区,是油松分布所在地。 3)赤松毛虫区 主要位置在山东半岛、辽东半岛?

The present study deals mainly with Silurian spiriferoids including eospiriferids,delthyrids and reticulariids collected from Southwest China,with special reference totheir morphology,geologic age,geographic distribution,stratigraphic significance andtheir evolutionary trend.From early Silurian to early late Silurian,eospiriferids,such as Eospirifer,Yingwuspirifer,Nikiforovaena and Xinanospirifer,prevailed in Southwest China.Itwas not until the middle stage of late Silurian(late Ludlovian—early Pridolian)when...

The present study deals mainly with Silurian spiriferoids including eospiriferids,delthyrids and reticulariids collected from Southwest China,with special reference totheir morphology,geologic age,geographic distribution,stratigraphic significance andtheir evolutionary trend.From early Silurian to early late Silurian,eospiriferids,such as Eospirifer,Yingwuspirifer,Nikiforovaena and Xinanospirifer,prevailed in Southwest China.Itwas not until the middle stage of late Silurian(late Ludlovian—early Pridolian)when Howellella of delthyrids and Spirinella of reticulariids began flourishing thateospiriferids disappeared,except only few survivors of Striispirifer.No eospiriferidshave so far been found in the Lower and Middle Devonian,such being the case in theEastern American Realm(Boucot,1977).In general,the subfamily Eospiriferinae contains primitive spiriferoids which arestriated,but devoid of delthyrial plate and regular growth lamellae,and furthermarked with a smooth or longitudinally striated cardinal process which has not yetbeen formally recorded in the literature.Eospirifer is characterized by its absenceof plicae all over the shell.Havlicekia may be regarded as a synonym of Eospirifer.Yingwuspirifer possesses smooth lateral areas,uniplicate sulcus and grooved fold.Striispirifer has unbranched lateral plicae separated by U- or V- shaped interspaceswith smooth fold and sulcus.It is for this reason,that Hedeina may also be takenas a synonym of Striispirifer.Both Nikiforovaena and Xinanospirifer are plicate,theformer having only one plicae on the salcus,whereas the latter bearing more plicaeon the sulcus and fold.It remains to be seen whether Macropleura,a large eospiri-ferid,is related to Striispirifer.In the middle Llandoverian,representatives of Yingwuspirifer,Eospirifer andStriispirifer made their first appearance in this region.In north-eastern Guizhou,E.sinensis Rong et Yang was found in association with Borealis of middle Llandoverianage from the base of the Xiangshuyuan Formation,which is immediately underlainby Pristiograptus gregarius-bearing beds,the top of the Lunmaxi Formation.Thelatter Formation yields also Y.orientalis,while the Xiangshuyuan Formation yieldsStriispirifer accuminiplicatus.So far as knowm,these two species represent the ear- liest elements of Yingwuspirifer and Striispirifer respectively.It is worth noting that the taxa mentioned above are middle Llandoverian inage,the same as southeast Kazakhstan for which the point source of eospiriferids hasbeen recognized by Boucot(1975,pp.59,61,etc).Therefore,an adequate source from which eospiriferids radiated is uncertain.Itis possible that the origin of eospiriferids is earlier than middle Llandoverian in age.One generally relied on the different shell ornamentations to trace the evolution-ary trend of eospiriferids.However,having discovered for the first time the longitu-dinally striated cardinal process of Eospirifer,Striispirifer,Nikiforovaena and Xina-nospirifer under study,the present authors pay much attention to the followingsituations:(1)For most of the early Silurian Eospirifer,Yingwuspirifer and Striis-pirifer,the area of diductor attachment in dorsal valve is generally unstriated(text-fig.3);(2)In the latest early Silurian Striispirifer,either a small node or severalridges appear on the place of cardinal process(text-fig.4);(3)In the middleSilurian(Wenlockian)Eospirifer,Striispirifer,Nikiforovaena and Xinanospirifer,the striated cardinal process is formed(text-fig.5);(4)In the early late Silurian(much of Ludlovian)Striispirifer and Nikiforovaena,the Striated cardinal process re-mains an important feature like(3).It is,therefore,believed that the developmentof cardinal procese from a smooth to striated stage is one of the evolutionary trendsin eospiriferids,Moreover,E.sinensis and S.acuminiplicatus in the middle Llan-doverian have a crural trough formed by the converging crural plates(text-fig.6),which are parallel with each other among the later eospiriferids.Taking in to account the taxonomical position and chronological distribution ofthese three taxa in Middle and Upper Silurian strata from southwest China,the pre-sent authors tend to think that Spirifer hsiehi Grabau,known to occur in the middleSilurian Ningqiang Formation and the upper part of the Xiushan Formation,shouldpreferably be regarded as one of the elements of Striispirifer.Furthermore,Spirifertingi Grabau,so far recorded chiefly in the Miaogao Formation of late Silurian age ineastern Yunnan,belongs to Howellella.And,Spirifer bourgeoisi Mansuy describedby Grabau(1926,p.36—37)from the same region as well as the Howellella tingi(Grabau)may be taken as the same species.Eight genera and 16 species including 8 new species are here described andillustrated.

论述西南地区志留纪石燕族常见属的定义和时代分布。探讨对始石燕类演化的认识。首次发现具有毛发状主突起构造的始石燕类,为阐明该类的演化规律提供有价值的材料。详细讨论本区中、上志留统三种石燕(Spirifer tingi Grabau,S.hsiehi Grabau,S.bourgeoisi Mansuy)的分类和时代问题。还总结了石燕族在本区志留纪地层中的组合特征与地层意义。附有常见属种的描述和图版,包括七属十六种,其中有八新种。

The fossil ostracods described in this paper were collected respectively from thelate Permian Lungtan,Changhsing and Hsuawei formations and from the early Trias-sic Feihsienkuan and Chiaitou formations in western Guizhou and northeastern Yun-nan.They contain 24 genera and 55 species,including 2 new genera(Langdaia andPanxiania),2 new subgenera[Panxiania(Panxiania)and Panxiania(Obesella)],42new species,2 new subspecies and 7 indeterminable species.It is worthy to note that in non-marine deposits of Hsuawei formation...

The fossil ostracods described in this paper were collected respectively from thelate Permian Lungtan,Changhsing and Hsuawei formations and from the early Trias-sic Feihsienkuan and Chiaitou formations in western Guizhou and northeastern Yun-nan.They contain 24 genera and 55 species,including 2 new genera(Langdaia andPanxiania),2 new subgenera[Panxiania(Panxiania)and Panxiania(Obesella)],42new species,2 new subspecies and 7 indeterminable species.It is worthy to note that in non-marine deposits of Hsuawei formation appearPanxiania(Panxiania)subelliptica,P.(Obesella)ovata,P.(Obesella)obesa,Darwinulapanxianensis,D.monosulcata,D.zhichangensis and Volganella?minuta.Moreover,in thebasal parts of the Feihsienkuan and Chiaitou formations there occurs Hollinella tingitogether with Langdaia suboblonga,which may be considered as index fossils used todelimitate the boundary between the Upper Permian and Lower Triassic,or in otherwords,between the Palaeozoic and Mesozoic.Descriptions of new genera and new subgenera are given below:Genus Langdaia gen.nov.Type species:Langdaia suboblonga gen.et sp.nov.Diagnosis:Carapace small;suboblong to subelliptical in lateral view.Dorsalmargin straight,antero-dorsal angle more obtuse than postero-dorsal one;ventralmargin straigh.Anterior end more rounded and broader than posterior one.Rightvalve larger,overlapping the left,except in hinge margin where the left valve isslightly above the right.Surface marked by a median sulcus or pit(S_2),which isusually indistinct when outer lamella is preserved.Median node(L_2)absent.Di-morphism prominent,tecnomorphs lenticulate in dorsal view,greatest thickness nearposterior to middle;heteromorphs cuneiform in dorsal view,greatest thickness in pos-terior portion of carapace.Geologic range and geographic distribution:Early Triassic Feihsienkuan andChiaitou formations,western Guizhou and northeastern Yunnan.Genus Panxiania gen.nov.Type species:Panxiania(Panxiania)subelliptica gen,subgen,et sp.nov. Diagnosis:Carapace smaller;subelliptical to subovate in lateral view.Dorsalmargin straight to gently arched;ventral margin curved,concave near the middle,convex at one -third the distance from anterior,becoming obtusely angulated.Endsround,anterior one broader than posterior.Sides convex moderately to strongly in dorsalview,greatest thickness near posterior,Hinge line straight and depressed into atrough below dorsal margins.Right valve larger,overlapping the left,except inhinge margin where the left valve is higher than the right.Surface smooth or orna-mented with reticulations or tubercles.Border narrow and flattened,frequently pre-sent along anterior margin.Adductor-muscular field ovate,composed of 2 curved rows,each with 5—7 elongated spots(cytherellid type).Geologic range and geographic distribution:Non-marine deposits of Late PermianHsuawei formation,western Guishou.Subgenus Panxiania(Panxiania)gen.et subgen.nov.Diagnosis:Subelliptical in lateral view;dorsal margin straight,anterior andposterior dorsal angles obtuse.Sides moderately convex in dorsal view,greatestthickness in middle to posterior.Carapace bearing a shallow,transversally depressedarea near mid-lenght;border narrow and flattened,well-developed along anteriormargin;notch conspicuous,formed between lower narrow flattened border and antero-ventral angle.Subgenus Panxiania(Obesella)gen.et subgen.nov.Type species:Panxiania(Obesella)ovata gen.,subgen,et sp.nov.Diagnosis:It differs from Panxiania(Panxiania)in the absence of transversallydepressed area,the gently arched dosal margin,the faint notch and flattened borderof anterior margin and the strongly convex carapace in dorsal view.

本文描述了黔西和滇东北晚二叠世及早三叠世介形类化石计24属、55种,其中包括2新属(Langdaia,Panxiania),2新亚属[Panxiania(Panxiania),Panxiania(Obesella)],42新种,2新亚种和7未定种。分析了龙潭组,长兴组,宣威组,飞仙关组和卡以头组的介形类化石组合特征,并据此讨论了宣威组与龙潭组和长兴组的对比关系,宣威组和卡以头组的划分介线和卡以头组与飞仙关组的对比关系,指出卡以头组的地质时代应为早三叠世。

 
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