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   chinese mainland 在 自然地理学和测绘学 分类中 的翻译结果: 查询用时:0.716秒
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chinese mainland    
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  中国大陆
    High accuracy absolute gravity observation in Chinese mainland during 1996—2003
    1996—2003年中国大陆高精度绝对重力观测
短句来源
    We have analyzed GPS observations in 1999,2001 and 2004 from more than one thousand stations in the Crustal Movement Observation Network of China including fiducial network,basis networks,regional network by GIPSY software,and calculated the crustal movement velocity field of Chinese mainland with the accuracy better than 2 mm/a of most sites and better than 1.5 mm/a at fiducial sites.
    利用GIPSY软件计算分析了1999年、2001年以及2004年中国地壳运动观测网络1 000多个台站的GPS数据(包括区域网、基本网和基准网数据),得到了中国大陆地壳运动速度场(其中绝大多数测站速度分量的估值精度优于2 mm/a,基准站精度较高,优于1.5 mm/a)。
短句来源
    The Effect of Slipping along Altyn Tagh Fault to the Tectonic Deformation of Chinese Mainland from GPS Measurement and Discontinue Material Dynamic Methods
    利用GPS监测和非连续介质力学研究阿尔金断裂对中国大陆地壳运动变形的影响
短句来源
    TECTONIC MOVEMENT OF CHINESE MAINLAND REVEALED FROM GPS DATA
    用GPS资料揭示现今中国大陆构造运动
短句来源
    Combining three periods of single-day solution results, the horizontal deformation velocity field of fiducial stations of Chinese mainland was made out through the traditional mathematical model of floating velocity estimation.
    综合已求出的CMONOC三期数据的单天解结果,通过传统漂移速度估计数学模型获得中国大陆基准站水平形变速度场。
短句来源
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  中国大陆
    High accuracy absolute gravity observation in Chinese mainland during 1996—2003
    1996—2003年中国大陆高精度绝对重力观测
短句来源
    We have analyzed GPS observations in 1999,2001 and 2004 from more than one thousand stations in the Crustal Movement Observation Network of China including fiducial network,basis networks,regional network by GIPSY software,and calculated the crustal movement velocity field of Chinese mainland with the accuracy better than 2 mm/a of most sites and better than 1.5 mm/a at fiducial sites.
    利用GIPSY软件计算分析了1999年、2001年以及2004年中国地壳运动观测网络1 000多个台站的GPS数据(包括区域网、基本网和基准网数据),得到了中国大陆地壳运动速度场(其中绝大多数测站速度分量的估值精度优于2 mm/a,基准站精度较高,优于1.5 mm/a)。
短句来源
    The Effect of Slipping along Altyn Tagh Fault to the Tectonic Deformation of Chinese Mainland from GPS Measurement and Discontinue Material Dynamic Methods
    利用GPS监测和非连续介质力学研究阿尔金断裂对中国大陆地壳运动变形的影响
短句来源
    TECTONIC MOVEMENT OF CHINESE MAINLAND REVEALED FROM GPS DATA
    用GPS资料揭示现今中国大陆构造运动
短句来源
    Combining three periods of single-day solution results, the horizontal deformation velocity field of fiducial stations of Chinese mainland was made out through the traditional mathematical model of floating velocity estimation.
    综合已求出的CMONOC三期数据的单天解结果,通过传统漂移速度估计数学模型获得中国大陆基准站水平形变速度场。
短句来源
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  我国大陆
    The inversion results of plate driving forces acting at the boundaries of China show that: (1) the main driving forces that formed the displacement field in Chinese mainland are from the collision of Indian plate with Eurasian plate, and its force is two to three times of Philippine plate's or Pacific plate's, and the force of Indian Plate is weakening from north to south;
    利用GPS位移数据对我国大陆部分地区的应力场进行反演,结果表明:1.研究区整体向东移动的动力来源主要是印度板块向欧亚板块的碰撞挤压作用,其作用力的大小约是菲律宾板块和太平洋板块作用力的2~3倍,且其作用力呈现从北向南减弱的趋势。
短句来源
    Then the gravity geoid is fixed to a Chinese height anomaly network to obtain a Chinese mainland quasi geoid with 15′×15′ resolution and dm accuracy, which has been examined by 80 GPS leveling points of Chinese Crustal Movement Monitoring Network.
    然后再和我国GPS水准所构成的高程异常控制网拟合 ,推算具有分米级精度 ,1 5′× 1 5′分辨率的我国大陆大地水准面。
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  chinese mainland
Background of crustal movement of Chinese mainland
      
Based on GPS data during May 1995-March 1998 of 12 IGS stations located in the Chinese mainland and its surrounding areas, the horizontal displacement rates of these IGS stations have been determined.
      
The result can be available to study the background of the crustal tectonic motion in the Chinese mainland.
      
PWV change in the Chinese mainland in 2004 is graphed with the gridding method of splines in tension, according to the GPS data of the crust monitor observation network in China, combined with relevant meteorology information.
      
In order to address this issue, we must endeavor to understand more clearly the prehistoric cultures of the southeastern coast of the Chinese mainland, and especially changes in settlement and subsistence patterns.
      
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Based on the geodetic data taken from the National GPS Network established by China Climbing Program "Investigation of Crust Motion and Geodynamics in Modern Time", we derived the movement velocities of the GPS sites.In terms of the power series expansion of a rotation function for horizontal velocities on a spherical surface proposed by Hames and Holt (1993), we computed the horizontal velocity and strain-rate field.We preliminarilystudied the appearances and characteristics of the present-day crustal movement...

Based on the geodetic data taken from the National GPS Network established by China Climbing Program "Investigation of Crust Motion and Geodynamics in Modern Time", we derived the movement velocities of the GPS sites.In terms of the power series expansion of a rotation function for horizontal velocities on a spherical surface proposed by Hames and Holt (1993), we computed the horizontal velocity and strain-rate field.We preliminarilystudied the appearances and characteristics of the present-day crustal movement and deformation in the Chinesemainland with the computed results. The researches demonstrated (1)The present-day crustal movement anddeformation in the Chinese mainland are being jointly controlled by indian, Pacific and Philippines Ocean Platesand Siberia-Mongolia block, and these three large plates and block form a situation of triparite confrontation, butIndian Plate seems to play a leading role;(2) The North-South Earthquake Zone plays an important adjustment rolein the present-day crustal movement and deformation process. displaying clear characteristics of demarcation lineof tectonics in large areas, (3)There seems to be another adjustment zone along the latitude line approximate N35,but its characteristics are less obvious than that of the former; (4) Dynamic actions of these three large plates andblock on the Chinese mainland are dynamic stable; appearing in stable push-press velocities. These results aregenerally accorded with the results determined from geology, geophysics, and seismology. By the contrast withseismicities. if appears preliminarily that there is some corresponding relation between intense shear st fain zoneand future strong seismicity area. but this problem needs further examination of earthquake examples.

IntroductionThecontinentdynamicsisahotpointofresearchesonpresent-daygeoscience.Thecurrentandpresent-daycrustalmovementisoneofthemainresearchcontelltsofgeoscience.TheChinesemainlandsituatedintheplacesurroundedbyIndian,Pacific,PhilippinesOceanPlatesand...

By using high resolution DTM,global gravity model and surface gravity data Chinese gravity geoid is determined at first,which then is merged into Chinese GPS leveling network to obtain a Chinese mainland geoid.The Chinese ocean geoid is calculated by using the deflection of the verticals,which are derived with the satellite altimeter (Sa) data.Finally the new Chinese geoid is obtained by the combination of mainland and ocean geoids with extending merge tech_nique.There are...

By using high resolution DTM,global gravity model and surface gravity data Chinese gravity geoid is determined at first,which then is merged into Chinese GPS leveling network to obtain a Chinese mainland geoid.The Chinese ocean geoid is calculated by using the deflection of the verticals,which are derived with the satellite altimeter (Sa) data.Finally the new Chinese geoid is obtained by the combination of mainland and ocean geoids with extending merge tech_nique.There are three steps for the combination.Firstly a local coastal district including coastal area and sallow sea is selected.A local gravity geoid of the district is computed with all the mean girded gravity values in the district.Secondly the land part of the local gravity geoid is fitted to Chinese mainland geoid with some fit_parameters,and the latter keeps in variation during the fitting.Thirdly the Chinese ocean geoid is merged into Chinese mainland geoid with the above fit_parameters.So a new Chinese quasi geoid (CQG2000) covering whole China land and sea territory is obtained with 15′×15′ resolution and dm accuracy.CQG2000 has been examined by 80 GPS leveling points of the Chinese crustal movement monitoring network.The examining results demonstrate that the accuracy of the new quasi geoid is reliable,i.e.the absolute accuracy of the CQG2000 is higher than ±0.3 m in the east of longitude E102°,±0.4 m in the west of E102° and north of latitude N36°,±(0.4~0.6) m in the west of E102° and south of latitude N36°.

采用移去恢复技术 ,利用我国高分辨率DTM和重力资料推算我国大陆重力大地水准面 ;然后再和我国GPS水准所构成的高程异常控制网拟合 ,推算了具有dm级精度、15′× 15′分辨率的我国大陆大地水准面。利用全国地壳运动监测网络的 80余个高精度GPS水准点进行外部检核 ,检核结果证实和原设计精度完全一致 ,即该大陆大地水准面的绝对精度 ,在东经 10 2°以东高于± 0 .3m ,在东经 10 2°以西、北纬 36°以北为± 0 .4m ,36°以南为± (0 .4~ 0 .6 )m。利用卫星测高数据计算垂线偏差 ,反解我国海域大地水准面。为了检核 ,由测高垂线偏差反演为重力异常 ,与海上万余点船测重力值进行了外部检核 ;同时用上述反演的重力异常推算大地水准面 ,与直接解得的相应结果进行比较作为内部检核。由重力和GPS水准数据推算的上述大陆大地水准面 ,和主要由卫星测高数据确定的海洋大地水准面 ,二者之间一般都存在以系统误差为主的拼接差。顾及这一现象并结合我国在陆海大地水准面拼接区重力资料稀疏的实际 ,研究提出了扩展拼接技术 ,即在沿海选取部分陆海毗邻的局部地区 ,在这局部地区内 ,陆地用实测平均重力格网数据 ...

采用移去恢复技术 ,利用我国高分辨率DTM和重力资料推算我国大陆重力大地水准面 ;然后再和我国GPS水准所构成的高程异常控制网拟合 ,推算了具有dm级精度、15′× 15′分辨率的我国大陆大地水准面。利用全国地壳运动监测网络的 80余个高精度GPS水准点进行外部检核 ,检核结果证实和原设计精度完全一致 ,即该大陆大地水准面的绝对精度 ,在东经 10 2°以东高于± 0 .3m ,在东经 10 2°以西、北纬 36°以北为± 0 .4m ,36°以南为± (0 .4~ 0 .6 )m。利用卫星测高数据计算垂线偏差 ,反解我国海域大地水准面。为了检核 ,由测高垂线偏差反演为重力异常 ,与海上万余点船测重力值进行了外部检核 ;同时用上述反演的重力异常推算大地水准面 ,与直接解得的相应结果进行比较作为内部检核。由重力和GPS水准数据推算的上述大陆大地水准面 ,和主要由卫星测高数据确定的海洋大地水准面 ,二者之间一般都存在以系统误差为主的拼接差。顾及这一现象并结合我国在陆海大地水准面拼接区重力资料稀疏的实际 ,研究提出了扩展拼接技术 ,即在沿海选取部分陆海毗邻的局部地区 ,在这局部地区内 ,陆地用实测平均重力格网数据 ,海洋用测高平均重力格网数据 ,统一推算这陆海局部重力大地水准面。然后利用这一局部大地水准面的陆地部分和

We estimate the unified self constrained velocity field in continental China using Global Positioning System (GPS) observations from 1991 to 2000. The GPS observations includes 340 sites, mostly of which are in the Tibetan Plateau and its margins: Himalaya, Altyn Tagh, Qilian Shan, Yunnan, Sichuan, the north China and Fujian. The accuracy of the relative horizontal velocities estimated for permanent stations are better than 1 mm/a. For other stations occupied fewer than 3 epoches or occupied during experiments...

We estimate the unified self constrained velocity field in continental China using Global Positioning System (GPS) observations from 1991 to 2000. The GPS observations includes 340 sites, mostly of which are in the Tibetan Plateau and its margins: Himalaya, Altyn Tagh, Qilian Shan, Yunnan, Sichuan, the north China and Fujian. The accuracy of the relative horizontal velocities estimated for permanent stations are better than 1 mm/a. For other stations occupied fewer than 3 epoches or occupied during experiments with poor tracking geometries the uncertainty is larger, about 2~3 mm/a. The velocity field can be used to constrain the kinematical model of the crustal tectonic motion of the Chinese mainland. The GPS observation offers a unique chance to map the large scale deformation of continental China in unprecedented detail.\;

利用中国大陆及周边地区 1991~ 2 0 0 0年间一系列全球定位系统 (GPS)观测资料 ,计算了 340个GPS站点的位移速率 ,得到了统一的中国大陆现今地壳运动速率场。这些站主要集中于青藏高原及其周缘的喜马拉雅、川滇、河西走廊、阿尔金、天山 ,以及华北、福建东南沿海等主要构造活动区。固定测站速率精度优于 1mm/a ,流动测站速率精度优于 3mm/a。根据GPS结果对中国大陆现今地壳运动的状况进行了分析。

 
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