查询词典 gis

Based on geological features of Ailaoshon metallogenic beh, the ore controll factors are studied by space analysis technology of GIS softs, with which the gold deposits exploration model is proposed.

在对云南哀牢山成矿带地质特征研究的基础上，借助GIS空间分析功能，对哀牢山成矿带南段金矿控矿因素进行了分析，建立了金矿信息找矿模型。

It is worth mentioning that, as a super-Mapping Software Co., Ltd. Beijing an important cooperative partner, Lenovo notebook also fully reinforced to help out the conference, at which demonstrated the full range of ruggedized notebook products and a number of GIS platform solution.

值得一提的是，作为北京超图软件股份有限公司的重要合作伙伴，联想加固笔记本也全力助阵此次大会，在会上展示了全系列加固笔记本产品和多个GIS平台解决方案。

With traditional modeling method of GIS we encounter some difficulties, we must keep a balance between the precision of model and rendering speed of computer.

传统的GIS建模方法，在虚拟环境建模中遇到了困难，需要在模型的精度和计算机的绘制速度之间采取一定的折衷。

It could control the influence of systematic errors and outliers of spatial datum in GIS.

因此消除和削弱这两种误差的影响是保证GIS空间数据质量的关键。

Designing different factors of remote sensing and GIS that influencing the estimation of canopy density and stock volume, there will be a large difference in classifying results.

设置不同的影响郁闭度及蓄积估测的遥感和GIS因子，分类结果也会出现较大的差异。

In this paper, associated with the key problem of 550kV SF6 high voltage circuit breaker which is used in GIS of three Gorges project, the mathematical models of static electrical field and one-dimensioned and two-dimensioned gas flow field during the overall breaking process in arc chamber of circuit breaker are developed. On the basis of gas discharge theory, the criteria to judge the interruption success is determined.

本文结合长江三峡550kV GIS中SF6断路器的科技攻关项目，建立了断路器开断过程中灭弧室内静电场、一维气流场、二维气流场的数学模型；根据气体放电的基础理论选定了衡量断路器能否成功开断的标准，并通过一维和二维气流场的有机结合，有效地解决了原二维气流场计算软件无法计算有载开断的难题，具有较强的工程实用性。

Based on the water environment spatial data mining and visualization method, the paper presents these main characteristics and innovations:①Measurement of contamination fluxes:A scene-based research strategy is proposed:measurement /water quality analysis→flow field simulation→contamination transformation rule→fluxes scene simulation→temporal-spatial rule analysis.②Serial numerical models of water environment in the Qiantang River:The controlled equations of the flow field model of the main river,united controlled equations of the main contamination fluxes and water quality prediction model at emergent time are set up.③GIS-based water quality and contamination fluxes decision-making assistance system:A water environment database has been set up;based on MapX and C#.net platform,a system has been developed to facilitate visual inquiry,decision-making and graphics export.

本文基于水环境空间数据挖掘与可视化的研究方法与体系，研究中的主要特色与创新点为：①河流污染物通量测算的技术与方法：提出了基于工况测量/水质分析→流场模拟→污染规律解析→通量情景模拟→时空规律分析的研究方案；②钱塘江水环境模拟系列数学模型：建立了钱塘江干流研究区域流场数学模型的控制方程、主要污染物通量模型的联合控制方程、突发污染事故水质预报模型的基本方程；③基于GIS的水质预报与污染物通量决策支持系统的研发：建立水环境时空数据库，基于MapX和C#。net平台进行系统的构建与开发，为研究的系列成果提供可视化的查询、决策与图形输出。

Using the traditional forestry division method at county level and the methods based on GIS, the forestry divisions on different units (included town, village and forest compartment) were carried out respectively.

2运用常用的传统方法和基于GIS的方法，分别以乡镇、村和林班为基本单元进行县级林业区划的研究结果表明，以村作为县级林业区划的基本单元最为理想。

This software makes use of the technology of database,RS,management and analysis of space data of GIS, model compute, and can be used as the assistant of the government decision-making, the accessorial tool of treating with the city disaster,and provide the facilit methed of programming and building of city.

该产品集数据库技术、RS、GIS的空间数据管理分析、模型计算等技术为基础，可用于政府管部门进行决策辅助，城市灾难应急等方面的决策辅助工具，也为城市发展规划、城市建设等方面提供便捷的手段。

The application result shows that it is feasible to apply three-tiered distributed technique to railway GIS.

实践表明，根据铁路信息化特点采用多层分布式技术建设铁路GIS是可行的。

Finally, according to market conditions and market products this article paper analyzes the trends in the development of camera technology, and designs a color night vision camera.

最后根据市场情况和市面上产品的情况分析了摄像机技术的发展趋势，并设计了一款彩色夜视摄像机。

Only person height weeds and the fierce looks stone idles were there.

只有半人深的荒草和龇牙咧嘴的神像。