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  spatial
    Study on Spatial Discretization and Parameterization in Basin Simulation Aided by RS and GIS and Its Application
    GIS和遥感辅助下流域模拟的空间离散化与参数化研究与应用
短句来源
    The Theory and Technology of Integration of Map Production and Spatial Data Capturing
    地图制图与空间数据生产一体化理论和技术的研究
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    Researches on Spatial Theory and Spatial Complexity Model
    空间理论与空间复杂模型研究
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    Research of Service Architecture and Algorithms for Grid Spatial Data
    栅格型空间数据服务体系结构与算法研究
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    Study on Theories and Application of Urban Spatial Information Engineering
    城市空间信息工程理论与应用研究
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  spacial
    The Metefile Expression Method of Spacial Information in GIS
    GIS中空间信息的图元文件表示方法
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    Artificial Immune Systems and Their Applications in Spacial Information Systems
    人工免疫系统及其在空间信息系统中的应用
短句来源
    Analysis of Spacial Similarity Transformation Base on Theory of Matrix
    基于矩阵论的空间相似变换分析
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    Research on Spacial Management of Digital City Based on "3S
    基于“3S”技术的数字城市空间管理研究
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    To realize the hit testing of Configuration System with the uncertain model of spacial data
    参考空间数据的不确定模型实现图形系统的击中测试
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  geospatial
    Geospatial Data Modeling for Mineral Exploration in Saghand-Chadormalu Area, Central Iran
    伊朗中部Saghand-Chadormalu地区矿床勘查的地理空间数据建模
短句来源
    Research on 3D Geospatial Information Application on Grid Computing Environment
    网格计算环境下的3维空间信息应用研究
短句来源
    Research on Atomic Services-based Interoperability of Grid Geospatial Information Service
    基于原子服务的网格空间信息服务互操作研究
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    Research on Key Technologies of Geospatial Information Services Based on Grid
    基于网格的空间信息服务关键技术研究
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    Development of a regional geospatial framework based on multilayer model is an application system with spatial unified benchmark on the basis of regional geo-information,and by integrating specialized data and knowledge rules.
    基于多层模型区域地理空间基础框架建设是以区域内的基础地理信息为基础,结合专业数据、知识规则,开发的具有空间统一基准的应用系统。
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  a spatial
    Based on rapidly issuing and sharing data of agricultural tridimension pollution, a spatial information web of agricultural tridimension pollution based on ArcIMS was developed to control agricultural tridimension pollution which to be modernization, information, standardization and efficient.
    针对农业立体污染及时发布和数据共享的需求,运用ArcIMS建立了农业立体污染空间信息网,以达到农业立体污染防治的现代化、信息化、规范化和高效化。
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    Based on the data format of GML, we present a spatial data integration framework, using two typical types of data EOO and SHP, which have different data formats, as examples in a J2EE development environment.
    本文在分析GML数据格式特征的基础上,以典型的两种异构数据格式EOO与SHP的集成为例,基于J2EE网络环境提出一个基于GML的多源异构空间数据应用集成框架。
    Study on the Landscape Pattern of a Desert-oasis Ecological System: A Spatial Grid Method and Its Application
    荒漠绿洲生态系统的景观格局分析——景观空间方法与应用
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    A Spatial Analysis Algorithm Based on 3D Topographic Map
    基于3维地形图的空间分析算法
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    A Spatial Field Representation Model Based on Delaunay Triangulation
    DELAUNAY三角网支持下的空间场表达
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  spatial
The derivation of our algorithm depends on certain properties of joint analyticity (with respect to spatial variables and perturbations) which had not been established before this work.
      
Here, we report using the estrogen receptor that the location of drugs in x-ray crystal structures of the receptors matches closely their predicted spatial locations in the DNA.
      
Various physicochemical descriptors ere correlated with the biological activity out of which descriptors belonging to the family of electronic, spatial, structural and conformational were found to be of importance to the activity.
      
Spatial discretization can be performed by either Galerkin spectral method or nonlinear Galerkin spectral method; time discretization is done by Euler scheme which is explicit or implicit in the nonlinear terms.
      
First,nonnegative solutions for scalar equation with spatial discontinuities are studied.
      
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  spacial
Field correlators and spacial string tension are derived through the gluelump Green's functions.
      
This work presents the temporal and spacial resolution of a new infrared (IR) converter based on thermal radiation emission.
      
The characterization and the elucidation of the spacial geometry of the synthesized derivative are described.
      
The characterization and the elucidation of the spacial geometry of the synthesized derivative are described.
      
We study two characteristics of complexity, the spacial and temporal characteristics (the number of elements of the circuit and the time required for calculations realised by the circuit).
      
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  geospatial
Towards an integral strategy for modelling uncertain geospatial data
      
Research on the security of national geospatial data clearinghouse based on ASP
      
Designing thought, technical line and some theoretical issues on geospatial digital framework of China
      
Geospatial semantic interoperability based on ontology
      
2003) for ?regular' legal sources that we developed in the past for geospatial regulatory information, in order to support exchange of spatial regulations, including the associated geospatial information in the form of maps.
      
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  a spatial
In this paper, a spatial-temporal two-layer architecture model is presented.
      
The MP is equipped with ferromagnetic adhesive devices and can work on a spatial curved surface.
      
sequinii in the Dabie Mountain region was found to be lacking a spatial genetic structure.
      
Further, a spatial genetic structure was detected in each subpopulation's scale (0.228 km), with all three subpopulations showing significant fine-scale structure.
      
soongorica are not significantly correlated with altitude, latitude or longitude, and a spatial distribution trend of d13C values of R.
      
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  其他


The existence of the Earth's liquid core, produce a nearly diurnal wobble of the Earth's rotation axis, and a free nutation in space companied. In this paper, based on the effect of both of them in latitude and time observation, the data of observation of a Danjon astrolabe at the Shanghai Observatory from 1960 to 1978 were analysed with the method of maximum entropy spectral analysis. The period and amplitude produced by space free nutation in data of latitude and time observation were 208 mean solar days and...

The existence of the Earth's liquid core, produce a nearly diurnal wobble of the Earth's rotation axis, and a free nutation in space companied. In this paper, based on the effect of both of them in latitude and time observation, the data of observation of a Danjon astrolabe at the Shanghai Observatory from 1960 to 1978 were analysed with the method of maximum entropy spectral analysis. The period and amplitude produced by space free nutation in data of latitude and time observation were 208 mean solar days and 0."011±0."003 in latitude, 209 mean solar days and 0."022±0."004 in time respectively; we then obtained the period and amplitude of nearly diurnal free wobble as 23h 57m 01s (sd) and 2."26 × 10-5 in latitude, 23h 57m 04s (sd) and 4."52×10-5 in time respectively.

由于地球存在液核,使自转轴产生近周日周期的地面摆动,并伴随有空间自由章动。本文根据二者对纬度和时间观测结果的影响,用最大熵功率谱方法方析了上海天文台丹容等高仪1960~1978年的观测资料,得到了空间自由章动在纬度和时间资料中引起的周期、振幅分别为P2,1=208平太阳日、A1=0.″011±0.″003和P2,2=209平太阳日、A2=0:″022±0.″004;由此得地面摆动的周期、振幅分别为P0,1=23h 57m01s(恒星时)、v1=2.″26×10-5和P0,2=23h57m04s(恒星时)、v2=4.″52×10-5。

:

由于空间大地测量和人卫大地测量的迅速发展,空间直角坐标与大地坐标之间的相互换算已成为一项重要课题。众所周知,解算大地坐标的经典方法是一种迭代法。近十年来,国内外发展了一些直接解算的新方法,以加快计算速度。然而这些方法都是近似的,其精度受到限制。本文导出的一种直接解算的闭合公式将能克服上述方法的缺点。

:

本文导出了两个三轴椭球之间沿法线投影的转换公式,这些公式包括空间直角坐标与大地坐标之间的转换公式;大地方位角及长度的转换公式。转换时顾及坐标长度因子,椭球中心、大小及本身轴向等十种变化因素。

 
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