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西北区
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  northwest region
     The ratio of the net decrease of the cultivated area between the region and the country was 23.9% for the Northwest Region, 22.2% for the middle part region and 19.5% for the Southwest Region.
     年净减少量较大的区域有西北区、中部区和西南区,分别占全国总量的23.9%、22.2%和19.5%。
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     (2)In the southwest region,the area of Haloxylon ammodendron community is the largest andaccounts for 28.85% of the total; in the northwest region,the area of the community of Haloxylon ammodendron+ Haloxylon persicum is the largest and accounts for 19.81%;
     ②西南区梭梭群落所占面积相对最大,占研究区总面积的28.85%,西北区以梭梭+白梭梭群落所占面积相对最大,占研究区总面积的19.81%;
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     (5)Generally,the vegetation coverage is high in the southwestregion than that in the northwest region,and the vegetation in the northwest region is seriously degenerated.
     ⑤从总体来看,西南区植被盖度较高,西北区植被盖度较低,且退化严重。
短句来源
     Conclusion According to the altitude and other geographical factors ,the reference HV of Chinese young women may be given separately for six regions of China:Qingzang region, Southwest region, Northwest region, Southeast region, North China region ,and Northeast region.
     结论 依据青年女性红细胞压积参考值与地理因素的关系 ,可按青藏区、西南区、西北区、东南区、华北区和东北区等六个区分别给出不同区域青年女性红细胞压积参考值
短句来源
     Furthermore, according tothe similarity of the reference values (Wintrobe )of Chinese healty female hematocrit, China can be divided into sixregions: Qinghai-Xizang region, southwest region, northwest region, southeast region, north region and northeast region.
     依据红细胞压积参考值(温氏法)与地理因素的依赖关系把中国分为青藏区、西南区、西北区、东南区、华北区、东北区等六个区。
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  “西北区”译为未确定词的双语例句
     in northwest area,vegetation coverage grades arepartially distributed,the areas with vegetation coverages of 1%~5% and 5%~10% are the largest and occupy29.22% and 27.71% of the total respectively;
     西北区各盖度等级面积分布呈正偏,1%~5%和5%~10%盖度等级所占面积相对较高,分别为29.22%和27.71%;
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     It revealed that the vehicle noise radiation was very high,the 41% of radiation noise energy came from motor,the noise pollution in southeast was larger than that in northwest,Leq、L10 and L50 of representative roads showed two peaks-two valleys type as the time goes,the average of Leq was 2.7dB(A) lower than L10,39.9% of people felt great annoyance for it.
     研究结果表明,该市道路车辆辐射噪声级较高,摩托车辐射声能占道路总声能的41%,东南区的污染大于西北区,Leq、L10、L50随时间变化呈现双峰双谷型,Leq平均值比L10低2.7dB(A),39.9%的居民对道路交通噪声感到高烦恼。
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     Using the monthly soil temperature date in the depth of 3.2m during 1980~2000 in 141 stations and the precipitation date during 1961~2000 in 160 stations,through the earth-atmosphere chart method ,the paper analyzed"geothermal vortexes"in Northwest China .
     利用我国141个测站1980~2000年逐月3.2m地温资料和160个测站1961~2000年逐月降水资料,用"地气图"方法对西北区内"地热涡"的分布特征进行详细分析。
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     Analysis of Continuous Autumn Rain in Northwest China in 2000 and 2001
     西北区中东部2000年与2001年秋季连阴雨分析
短句来源
     The averaged square correlation coefficient between cloud liquid water path of lower layer clouds and precipitations was the maximum of R~2 = 0.8459 in the whole of Northwest China.
     整个西北区以低云的云水路径与降水量相关系数最高,平均R2=0.8459。
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  相似匹配句对
     Northwest China.
     西北
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     Guangxi west-north zone,Ⅲ.
     Ⅱ桂西北
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     The Bygones in The Northwest
     西北往事
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     Culture Region
     文化
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     and f) synclinorium.
     f)复向斜
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  northwest region
The project covered almost all the arid and semi-arid regions in Northwest region.
      
The Little Ice Age began in the early 15 the century and ended in 16 the century in the northwest region of China.
      
Abundances of macroinfaunal invertebrates in sand dollar (Dendraster excentricus) beds and in adjacent areas free of sand dollars were studied at 10 intertidal sites in the Pacific Northwest region of the USA and Canada.
      
First-degree trend surfaces revealed that the deeper tubular wells occur towards east/southeast and exploit Paleozoic sediments as well fractured/fissured diabases/basalts, whereas the tubular wells in the west/northwest region are shallower.
      
In the Pacific Northwest Region of the National Park Service, a resources management planning procedure has been implemented to provide definitive resource management for each park.
      
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In this paper the heavy rain on August 2, 1976 in the central part of Gansu has been analysed. It took place when a trough of tropical easterlies moved in and developed on encountering a small depression from the Tibetan plateau. Accompanying the deep humid south-eastern flow in the lower troposphere, cold upper tropospheric air moved to Gansu and a deep layer of potential instability was produced and met the cold north-western flow later on. The convergence of vapour flux was introducedAnalysis of hourly synoptic...

In this paper the heavy rain on August 2, 1976 in the central part of Gansu has been analysed. It took place when a trough of tropical easterlies moved in and developed on encountering a small depression from the Tibetan plateau. Accompanying the deep humid south-eastern flow in the lower troposphere, cold upper tropospheric air moved to Gansu and a deep layer of potential instability was produced and met the cold north-western flow later on. The convergence of vapour flux was introducedAnalysis of hourly synoptic charts reveals that an intense subsynoptic depression is responsible for the heavy rain.The structure and life history of subsynoptic depression and the accompanying shear line are also discussed. When the shear line of low layer moved to the subsynoptic depression, the heavy rain was formed.

1976年8月2日,甘肃省中部地区发生了一次暴雨。在热带东风带中,当西移的倒槽和高原北部东移的低涡相结合时,就会使倒槽强烈发展并伸入内陆。倒槽东侧深厚的东南气流,造成该区深厚的位势不稳定,并使水汽输入到西北区东部,它与冷锋后部的西北气流相遇后,产生大范围水汽通量的辐合,这是本次暴雨的大尺度条件。 次天气尺度的低涡是产生这次暴雨的直接影响系统。当对流层上部的扰动与低层扰动上下叠置,形成一个深厚的次天气尺度低涡时,易产生对流性暴雨。 次天气尺度的低涡,是雨团迅猛加强的背景,南移的低层切变线起触发作用,而该地早先存在的一个暖湿的地方性中低压,则是合适的局地环境场。当低层切变线移入此中低压时,往往造成中尺度雨团的合併,出现急骤加强,形成暴雨。

The Linhe Region is prospective for oil.Because the most of the surface were co- rvered by very thick quternary deserts and losses,the sequence of systematic sedi- ments was unknown in the past.To solve this problem is urgent for the present exploration. In this paper,based on the seismic data and deep drilling wells in last two yea- rs,the lithological characters and fossil assemblages was identified,and it is sure that the Cenozoic strata are well developed with large thickness of sediments. The sequence of...

The Linhe Region is prospective for oil.Because the most of the surface were co- rvered by very thick quternary deserts and losses,the sequence of systematic sedi- ments was unknown in the past.To solve this problem is urgent for the present exploration. In this paper,based on the seismic data and deep drilling wells in last two yea- rs,the lithological characters and fossil assemblages was identified,and it is sure that the Cenozoic strata are well developed with large thickness of sediments. The sequence of strata from the upper to the lower is subdivided as follows:Qu- aternary Hetao group.(Q_(1-4)h);Neogene Pliocene Wulantuke formation(N_2 wt);Mi- ocene Wuyuan formation(N_1 wy);Paleogene Oligocene Linhe formation(E_3 J)and Eocene Wulate formation(E_2 wl).This subdivision has been widely correlated with Cenozoic strata of the Northwest China and the North China.Therefore the strati- graphy of Linhe Region has been established.

临河地区是具有石油勘探远景的地区。以往由于表层第四系沙漠黄土覆盖较厚,系统沉积层序一直未被揭露。本文根据近两年地震普查和深参数井钻探资料,通过岩矿特征和化石组合研究认为:该区新生界发育全、沉积厚,地层层序自上而下可分为第四系河套群(Q_(1-4)h);上第三系上新统乌兰图克组(N_2wt),中新统五原组(N_1wy);下第三系渐新统临河组(E_3l),始新统乌拉特组(E_2wl)。并可与我国西北区和华北区新生代地层进行区域对比,为该区勘探工作奠定了地层基础。

The present paper deals with the fishes collected from Shanxi Province, China, for many years and recorded in the literatures. At pres ent 8 orders, 15 families, 78 genera, 133 species and subspecies have so fra been known.As to the fauna of fishes, species of Jiang-he Plain Region account for 65% of the total sum of the fishes of Shanxi Rrovince; Amur Regionn 6%; South China Region 9%; Northwest plateau Region 9%;Ya-nu Regio 9%. No doubt, fishes species of Jiang=he plain Region are the dominant species of the...

The present paper deals with the fishes collected from Shanxi Province, China, for many years and recorded in the literatures. At pres ent 8 orders, 15 families, 78 genera, 133 species and subspecies have so fra been known.As to the fauna of fishes, species of Jiang-he Plain Region account for 65% of the total sum of the fishes of Shanxi Rrovince; Amur Regionn 6%; South China Region 9%; Northwest plateau Region 9%;Ya-nu Regio 9%. No doubt, fishes species of Jiang=he plain Region are the dominant species of the fishes of shanxi.South Shanxi, Guan-zhong Basin and North Shanxi differ greatly in the fauna's composition of the fishes. The fauna of fishes is notably differente in North and South sides of Qinling Moutain range in Shanxi.the range obviously separatesthe distribution of fresh-water fishes in China, And has an important place in animal geographical division.

本文根据历年来所采标本和文献记载,对陕西鱼类作了系统整理,共录得鱼类133种及亚种,隶属于8目15科78属。在区系成分上,江河平原区的种类占绝对优势,占总数的65%以上;雅怒区、华南区、西北区的种类分别约占9%;黑龙江区的种类约占6%.并给全省主要河流及其较大支流的鱼类做了初步记载,反映了陕南、关中、陕北三大自然地理区鱼类组成的差异,可以看出秦岭在鱼类分布上的阻限作用及在动物地理区划上的重要位置,可供渔业规划和动物地理区划的参考。

 
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