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middle    
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    PRELIMINARY STUDY ON THE CLAY MINERALS OF SEDIMENTS IN THE MIDDLE OF THE PACIFIC OCEAN
    太平洋部沉积物粘土矿物的初步研究
短句来源
    STUDY ON COBALT-RICH MANGANESE CRUSTS IN THE MIDDLE PACIFIC SEAMOUNT REGION
    太平洋海山区富钴锰结壳的研究
短句来源
    UPWELUNG IN MIDDLE AND NORTH TAIWAN STRAIT
    台湾海峡、北部海域的上升流现象
短句来源
    THE GEOCHEMISTRY OF SOME ELEMENTS IN SURFACE SEDIMENT IN THE MIDDLE AND NORTHERN TAIWAN STRAIT
    台湾海峡、北部表层沉积物若干元素的地球化学
短句来源
    MOS FORCASTING OF WINTER GALE IN THE MIDDLE AND NORTH AREAS OF THE YELLOW SEA
    黄海、北部冬季大风MOS预报
短句来源
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  中部
    Researches on Coastal Storm Surge Frequency during the Warm Period of Middle Holocene in Middle Jiangsu Province
    江苏中部海岸全新世中期温暖期风暴潮频率的研究
短句来源
    Paleoclimate and Paleoceanography Study of the Middle Okinawa Trough in the Last 37 Cal ka BP
    冲绳海槽中部37 Cal ka BP以来的古气候和古海洋环境研究
短句来源
    PRELIMINARY STUDY ON THE CLAY MINERALS OF SEDIMENTS IN THE MIDDLE OF THE PACIFIC OCEAN
    太平洋中部沉积物中粘土矿物的初步研究
短句来源
    THE CHARACTERISTICS OF THE CLIMATE AND FREQUENCY SPECTRUM OF THE GALE OVER THE MIDDLE OF THE HUANGHAI SEA
    黄海中部大风的气候特点及其频谱特征
短句来源
    A Preliminary Study on the Distribution of Diatom in Surface Sediments of the Middle South China Sea
    南海中部表层沉积硅藻分布的初步研究
短句来源
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  中期
    Researches on Coastal Storm Surge Frequency during the Warm Period of Middle Holocene in Middle Jiangsu Province
    江苏中部海岸全新世中期温暖期风暴潮频率的研究
短句来源
    Stratigraphic Structure and Environmental Evolution in the Northern Liaodong Bay Since the Middle Stage of Late Pleistocene
    辽东湾北部晚更新世中期以来的地层结构及环境演化
短句来源
    Middle Cretaceous abnormal geological events and global change
    白垩纪中期异常地质事件与全球变化
短句来源
    The age of stratum (0-10cm and 10-20cm) in the 77KG is. of late Pleistocene and middle Pleistocene respectively.
    77KG0~l0cm和10~20cm地层时代分别为更新世晚、中期;
短句来源
    the middle stage(about 6.3~4 ka)was represented by sea level changes caused by middle Holocene Hypsithermal periods sudden climatic retrogression events(MHCR),which gave birth to buried sand ridges revealed by drill QC2 in the middle of the South Yellow Sea;
    中期 (约 6 .3~4ka)包括了中全新世高温期气候突然衰退事件 (MHCR)的海平面波动 ,南黄海中部 QC2孔揭露的埋藏潮流沙脊是这一期的代表 ;
短句来源
  中间
    Te of the MST is higher in the middle of the trail than that in the north and the south part. Te of the MPM is higher in the west part of the mountains than that in the east part. Furthermore, Te of these two typical areas is close to that of the present French Polynesia region.
    弹性板挠曲计算结果显示,研究区的有效弹性厚度总体上表现为西高东低的趋势,西边的麦哲伦海山链表现出南北低中间高的趋势,东边的中太平洋海山群呈现出由西往东厚度逐渐递减的现象,且这两个典型区域的岩石圈有效弹性厚度与现今法属玻利尼西亚群岛处的比较接近。
短句来源
    For wave height and wave period, the start point of wind wave growth is lies in the middle of the other growth relations.
    对于波高和周期:风浪成长起点处的值基本处于其余几种成长关系的中间
短句来源
    The difference between the results estimated in this study and the corresponding results by Barnett along the coast of East Asia is significant. This is mainly because the number of the stations selected by Barnett is relatively small and the selected stations are concentrated at the southern and northern ends of the region, without data for the middle of the region.
    本文对东亚沿岸海平面升降的估计结果与Barnett的相应估计差别较大,其主要原因是Barnett选站较少,且选的站集中在该区南北两端,中间部分无资料;
短句来源
    (3) The cold and uniform mixing layer is occurred in the layer from 30 m level to the bottom of the middle part of Section A and in the layer from 20 m level to the bottom of the middle part of Section B, respectively. They are both a southern part of the Huanghai Sea Cold Water Mass (HSCWM).
    ( 3)在断面A中间处 30m以深及断面B中间处 2 0m以深存在均匀混合层 ,它具有冷水的特征 ,是黄海冷水团的南侧部分 .
短句来源
    and the southern survey area is a mixed magnetic anomaly area with the magnetic anomaly in the middle Jiaozhou Bay showing near east-westly trending banded distributions and that in the southern Jiaozhou Bay showing NE trending alternate positive and negative anomaly distribution.
    南部表现为混合异常,上部(大致为胶州湾最中间地带)磁异常为近东西向条带状展布,而胶州湾南部基本呈NE向正负相间分布。
短句来源
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  middle
But several characteristics exhibited high differentiation level, such as width of the tooth of leaf base (25.99%) and the middle apical bud (25.23%).
      
However, only two morphological indices, the middle apical bud and the tooth of leaf base, are unstable, which indicates the extensive influence of environmental factors.
      
Sap flow velocity at the upper position of the trunk is higher than that of the middle and lower position, but cumulative flux is not significantly different among the upper, middle and lower sections.
      
Results showed that the biomass of fine roots (? 1 mm) in different layers varied in the following descending order: upper layer, middle layer and lower layer, at approximate ratios of 50:30:20.
      
Yunmeng belongs to the middle type, between the warm and dry northern mountain area and the warm and damp southern mountain area.
      
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Data from the qualitative and quantitative micropaleontological analyses of more than 20 cores provided abundant informations concerning Quaternary marine transgressions in Shanghai and its environs. The Quarternary Period in Shanghai region witnessed four marine transgressions with different intensity. The transgressions of Middle Pleistocene and the early Late Pleistocene were weak and represented by deposits of the transitional nature from marine to continental facies only. The strongest transgression occurred...

Data from the qualitative and quantitative micropaleontological analyses of more than 20 cores provided abundant informations concerning Quaternary marine transgressions in Shanghai and its environs. The Quarternary Period in Shanghai region witnessed four marine transgressions with different intensity. The transgressions of Middle Pleistocene and the early Late Pleistocene were weak and represented by deposits of the transitional nature from marine to continental facies only. The strongest transgression occurred in middle Late Pleistocene when shallow-marine deposits were accumulated. The strata of the Holocene transgression which is relatively strong may be subdivided stratigraphically into three parts. As shown by the horizontal distribution of Foraminifera, the intensity of Quaternary transgression is stronger in the east of Shanghai region than in the west. The comparison between micropaleontological and palynological data in Shanghai region has revealed a close correlation between sea-level changes and climatic fluctuations. In the light of the paleoecology of Foraminifera, Ostracoda and other groups of microfossils, as well as the sedimentological, palynological and archaeological data, this paper discusses in detail the depositional environments, the limits of transgressions and their geological ages during Quaternary time in Shanghai region.

根据微体古生物分析结果并综合其他资料,证明上海地区东部第四纪以来经历过四次海进:晚更新世中期和全新世的海进较强,形成浅海相沉积;中更新世与晚更新世早期的海进较弱,仅有海陆过渡相沉积。

The paper divides the Ouaternary Sedimentary strata in shanghai region into twelve sedimentation units by analysis of the lithological charactors and lithofacies got from the study of about 200 deep cores and 300 shallow cores in the region of shanghai.In addition based on analy- sis of sporo-pollen and microfossls,this paper gives the correspondent zones of the sporo-pollen composition and distribution of the land and marine deposits The accordance with the features of the sedimentary structure and the nature...

The paper divides the Ouaternary Sedimentary strata in shanghai region into twelve sedimentation units by analysis of the lithological charactors and lithofacies got from the study of about 200 deep cores and 300 shallow cores in the region of shanghai.In addition based on analy- sis of sporo-pollen and microfossls,this paper gives the correspondent zones of the sporo-pollen composition and distribution of the land and marine deposits The accordance with the features of the sedimentary structure and the nature of sporo-pollem compositions the Quaternary period might be derided into five cold stages,with foul intevening warm stages and the post-glacial stage.In order of time we denominated them as:Chung-min cold stage,Hu-Xi cold stage;Hu-Dung cold stage,Zha-Bei cold stage and Su-Zhou River cold stage.In terms of the date of microfossils and lith- oracies,they represent five marine transgressions with different scopes of activity corresponding to the above warm stage and the post-glacial stage.We denominated them as Jiang-Zheng transgression,Deng-Zhen transgression,Xi-giao transgression,Chao-Jia-Du transgression and Wai- Tau transgression. In the cold stage,lacustrime facies dominaten the deposits.In the warm stage,followed by the transgression,most of the deposits represent themselves as fluviatile facies with marine deposits in same parts of the region According to the method used in Palaeorlimatdogy and stratigraphic division,the Quaternary strata in Shanghai region may be divided as: ancient Pleistocene (stratal2—11);Early Pleistocene (strata10—9) middle Pleistocene (strata8—7);Late Pleistocene (strata6—3);new Pleistocene (strata2),and Holocene (strta1).

本文通过对上海地区约200个深孔和300个浅孔的岩性、岩相分析,把本区第四纪沉积层归纳为十二个沉积单元,并根据孢粉与微古分析资料得出与之相应的孢粉组合带及海陆相沉积。从沉积结构特征和孢粉组合特点,得出第四纪时期本区有五个寒冷期及与之相间的四个温暖期和冰后期,自早至晚分别命名为:崇明寒冷期、沪西寒冷期、沪东寒冷期、闸北寒冷期、苏州河寒冷期、根据微古和岩相等资料,发现有同温暖期和冰后期相呼应的五次不同范围的海浸,自早至晚命名为:江镇海浸、邓镇海浸、西郊海浸、曹家渡海浸和外滩海浸。在寒冷期以湖相沉积为主,在温暖期以河流相沉积为主,局部地区为海相沉积。按古气候地层划分原则,把本区第四纪地层划分为:古更新统(层12-11);早更新统(层10-0);中更新统(层8-7);晚更新统(层6-3);新更新统(层2),和全新统(层1)。

A systematical analysis of historic climatic change of the Yangtze-Delta has beentaken in this article. It is from 3824 data of climatic accidents, phenological records,the sun spots, and the water and drought disastrous accidents. It is clarified from this analysis that there were three warm periods and three coldperiods from Eastern Zhou Dynasty to the end of Qing Dynasty. Accordingly, it isassumed that the warm period of 20th century is net long and it will tend to a coldperiod in the middle of 21th...

A systematical analysis of historic climatic change of the Yangtze-Delta has beentaken in this article. It is from 3824 data of climatic accidents, phenological records,the sun spots, and the water and drought disastrous accidents. It is clarified from this analysis that there were three warm periods and three coldperiods from Eastern Zhou Dynasty to the end of Qing Dynasty. Accordingly, it isassumed that the warm period of 20th century is net long and it will tend to a coldperiod in the middle of 21th century The duration of rainfall change can also be divided into three dry periods andthree moist periods. Thus, it is assumed that the climate will tend to a dry period in21th centenary. The local climatic change is not only coincident with the whole country, but alsowith the world-wide condition. Solar activities are the cheif agency of general atmospheric circulation. The intensityof solar activities masters climatic change. It is also described that the cause of climaticchange from distribution of sun-spots in various historical ages.

本文从历史文献中搜集有关长江三角洲的气候、物候、太阳黑子以及冷暖水旱自然灾害资料3824条,对历史时期长江三角洲的气候变迁,进行系统分析。自东周至清末,三角洲的温度变迁,可分三个温暖期与三个寒冷期,冷暖期相间。据此演变规律,推断二十世纪气温回升阶段不会太久,到二十一世纪中期以后,气候可能复趋寒冷。自西汉至清末,三角洲的降水变迁,可分三个旱年阶段与三个水年阶段,水旱年阶段相间。据此演变规律,推断到二十一世纪,气候可能复趋干旱。历史时期三角洲气候变迁的情况,不仅与全国气候变迁情况基本一致,而且具有世界性。太阳活动是大气环流的主要动力,活动的强弱,主宰气候的变迁。故本文据历史时期太阳黑子的时间分布,阐明三角洲气候变迁的基本原因。

 
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