查询词典 gis

Presently, people have done some research on dynamic objects visualization using techniques such as simulation and visualization in scientific computing, but there are not many researches on integrating dynamic objects such as running cars, aflutter flags, flying butterflies into 3D GIS.

目前人们利用仿真、科学计算可视化等技术对动态目标的可视化进行了一定的研究，而如何利用现有的可视化技术将现实世界中的动态目标如行驶的汽车、飘动的旗子、飞舞的蝴蝶等融入到三维GIS中还没有作深入的探讨。

This paper analyses the method of analytic geometry for resolving spatial relationship in GIS and summarizes its limitation.

分析了GIS中用解析几何法求解空间关系的特点和缺陷，并提出了采用图形的几何变换法克服它的缺点。

The system can be used alone or be integrated into other GIS systems to enhance their map projection function. map projection ; map projective transformation ; analytical ordinal transformation ; analytical athwart transformation

在GIS应用系统中往往需要管理多种不同地图的地理数据，这些不同投影的数据在进行地理空间分析或信息复合时需要坐标同化，需要将不同投影的坐标统一到同一个坐标空间中，随着G

GIS and GPS have been used in the investigation of agriculture and animal husbandry resources in recent years.

应用GPS和GIS技术相结合，是当今农牧业领域的发展方向之一，已经广泛应用在农牧业等领域。

Central to this is the GIS application package.

中央的对这是 GIS 申请包裹。

It is another new development and application of GIS model.

它是GIS又一新的发展和应用模式。

This paper also analyses the structure and function of GIS-T, and carries out the analysis of the spatial and attributive data structure.

对GIS-T的结构和功能进行了分析并进行了相应的属性数据和空间数据的结构分析。

Based on the study of the Recycling Network System of WEEE, one part of Shanghai Science and Technology Commission research of "Technology for Distilling Aurum from WEEE and Establishment of recycling network" which the author studies in cooperation with DongHua University, combined with the relevant researches home and abroad, using the technology of GIS, the dissertation studies the recycling network system of WEEE in Shanghai systematically and comprehensively with the methods of the combination of qualitative and quantitative and of the synthetic integration from qualitative to quantitative, etc.

本文作者基于与东华大学合作的上海市科委重点科研项目"电子废弃物提金技术与网络化"的子课题"电子废弃物回收网络体系研究"的基础上，结合国内外相关研究概况，基于GIS技术，采用定性与定量相结合、从定性到定量的综合集成法，对上海市电子废弃物回收网络体系的建立进行了系统和全面的研究。

With the interface software, the basic data from GIS system and the running data from automatic computation system or from SCADA system can be conveniently formated to the standard database needed by the loss calculation software. According to the data, many flexible measures are taken to avoid the manual data input process and make the calculation result closer to the real value.

该软件通过对GIS系统、计量自动化系统和SCADA系统中各类数据结构的详细分析，制定了数据交互规则，并针对相关数据库的实际情况实现了若干灵活处理，既避免了手工录入数据的繁琐过程，又使线损计算结果能够适应运行需求。

The internal and international research results in this field are summarized and analyzed in this paper,and then a design of the GIS thematic analysis model based on automatic programming is proposed.

论文在总结和分析这一领域国内外已发表的研究成果的基础上，提出一种基于规划自动生成的GIS专题分析模型的设计方案，并详细阐释了该分析模型中知识表示、自动推理等的设计细节。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。