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- geographical spatial model 地理空间模型
- There are more to do, such as methods of studies on estimating models, selection of parameters, construction of geographic spatial models and precision of models for research of AWC of soil in China in future. 本研究只是初步探索,在以后的土壤AWC研究中,估算模型的研究方法、参数的确定、地理空间模型的构建、模型精度等多个方面有待进一步研究。
- This paper is discussed the model of GIS interoperability,geographical spatial information data is expressed by us ing GML,and some example is illustrated. 本文首先分析了GIS互操作,接着提出了基于GML的GIS可互操作模型,最后,具体阐述了地理数据的GML表示方法。
- The spatial model of soil AWC in China, based on texture and organic matter, was analyzed. 研究中对基于土壤质地和土壤有机质的我国土壤AWC模型进行了空间分析。
- The characteristics of geographical spatial thought include: 1) forming mental pictures at sight of words, 2) corresponding speculation about spatial graphs and 3) dynamic relative speculation about space. 地理空间思维一般具有以下特点:见文生图;空间图形的对应思辩;空间的动态联系思辩。
- The second is to compose spatial model of AWC of main soils and evaluate it in China. 二是运用GIS技术,构建我国土壤AWC地理空间模型,并进行空间分异分析。
- Special attentions are given to three areas of his contri butions: new trade theory, criticism on the five traditions of economic geograph y and spatial models of economic development. 侧重于三方面:新贸易理论、对经济地理学传统的看法以及空间经济模型。
- The spatial model of transducer is introduced at first.The transducer抯 isotropic measure and its atlases with the structure parameters are discussed. 论文首先介绍了该传感器的空间模型,给出和讨论了传感器各向同性指标及该指标对应传感器机构参数的图谱;
- geographical spatial information 地理空间信息
- sharing the geographical spatial information 空间信息共享
- geographical spatial differentiation 地理空间分异
- geographical spatial distribution 空间分布
- The reasons of being unable to carry quantitative research are as following: the environment change information caused by spatial model is weak,and spatial model is hard to be quant. 基于遥感的土地覆盖类型变化对生态环境的影响已实现定量研究,而空间模式的影响尚处于定性研究阶段。
- Policy makers, for instance, use maps to present their spatial plans to the local community, and scientist use maps to present for example spatial model outcomes to other scientists. 比如,决策者用地图向公众展示当地社区的空间规划,科学家利用地图的形式向其他科学家们展示他的空间模型示例。
- Lastly, takeing inhabitant as instruction factor , the paper puts forward population spatial model, discusses the fingings application, and also validates the residents spatial distribution rule. 最后以居民地为指示因子,提出人口空间化模型(居民地-人口分配模型),对研究结果的应用作了探讨,对居民地空间分布规律进行了验证。
- With the use of information data of geology, geophysics, geochemistry and remote sensing, a spatial model is set up to carry out integrative mineral analysis and resources assessment. 集成地质、地球物理、地球化学、遥感等多源地学空间信息,建立空间数学模型,从而进行综合成矿分析及矿产资源评价;
- Modifying the objective function of FCM and introducing a variable as the parameter to control the tight degree of neighborhood effect present a spatial model to FCM clustering algorithm. 本文改进了传统FCM的目标函数,引入控制邻域作用紧密程度的参数,提出了一种能够更加合理地运用图像的空间信息,改进的模糊C-均值聚类算法。
- A multibody spatial model of a double wishbone independent suspension system with a torsion bar as the elastic element was established and the dynamics equations of the system were deduced. 摘要建立了以扭杆为弹性元件的双横臂独立悬架系统的空间多体系统模型,推导出了系统的动力学方程和双横臂独立悬架系统刚度计算公式,并用所编制的软件进行了悬架刚度的计算。
- The analytic function of GIS and the cartographic function of Computer assisted cartography (CAC) are two aspects of geographic spatial data application. 地理信息系统(GIS)的地学分析与计算机地图制图(CAC)是地理空间数据应用不可分割的两个方面。
- The spatial models of AWC of soils presented the difference of soil AWC in China. 土壤图的数字化,并结合收集整理的土壤类型理化数据,构建我国土壤AWC地理空间模型并进行分析。