查询词典 gis

The article introduce basic indentification and three kinds of typic protect mathods of GIs.

本文介绍了地理标志的基本含义以及目前存在的三种保护地理标志的典型的方式。

The extended functions include the unition of inside and outside of substation and singline in the background,etc.

这些任务不仅为实现GIS/SCADA一体化奠定了理论基础，而且在实践上迈出了最重要的一步。

From high resolution RS image of study area, gully head locations and land use information can be extracted, by performing overlay analysis on gully head locations map and flow accumulation map, slope gradient map, the slope and upslope drainage area of each gully head can be obtained.

采用的方法是RS技术与GIS技术相结合的方法，利用高分辨率卫星影像提取研究区内所有切沟的沟头位置和土地利用状况，将沟头位置与研究区的水流汇流网络图、坡度图作叠加分析，得到切沟沟头的坡度和上游汇水面积。

It allows large amounts of data to be sorted and displayed in ways not possible before – Yeo and Chow's paper reproduced here is an example of this.

GIS能够整理与显示大量的数据，这是以前无法办到的，复制在此的'杨与赵的文献'就是个例子。

The DTM for automatic-design of thruway was put forward by Prof. Miller in 1956. Since then , the DEM is used for design of various circuit diagram, and for account of area, cubage, gradient of various project, and for estimating visibility from point to point; for rendering contour, grade-graph, aspect-graph, solid model; for making orthographic image and repair map in the Topography; for assistant data to classify in the Remote Sensing; as basic data in the GIS, for analysis and layout actuality of using soil, for disaster prediction; for navigation, guiding missile in the military affairs.

美国麻省理工学院Miller教授为了高速公路的自动设计于1956年提出了数字地面模型的概念后，DEM被用于各种线路的设计及各种工程的面积、体积、坡度的计算，任意两点间可视性判断及绘制任意断面图；在测绘中被用于绘制等高线、坡度坡向图、立体透视图，制作正射影像图与地图的修测；在遥感中可作为分类的辅助数据；它是地理信息系统的基础数据，可用于土地利用现状的分析、合理规划及洪水险情预报等；在军事上可用于导航及导弹制导；在工业上可利用数字表面模型DSM或数字物体模型绘制出表面结构复杂的物体的形状[2]。

Some research in the integration of GIS spatial analysis and underground pipe management are making in this paper.

地下管网是城市的重要基础设施，对其进行科学的维护和管理是城市规划管理的重要内容。

Sets up the study on location of Logistics center and dynamic route selection .

在此基础上，提出了基于GIS的动态运输路线的选择研究方法。

The drainpipe networks geographical information system which abbreviates as DPN-GIS is an application developed with the Mapobjects of ESRI and Visual Basic Language in the VB programming environment.

本文中开发的排水管网地理信息系统是利用美国环境系统研究所的MapObjects组件和Visual Basic语言在VB平台上开发出来的应用程序。

The usage of GIS into digital agriculture actualizes many functions, such as information input, information analyse, information expression and decision-making, etc.

将地理信息技术应用于数字农业领域，能实现信息输入、信息分析、信息表达以及决策应用等功能。

The discovery of ancient maps,the compilation of the national atlases, the research for theories and methods of cartography science,the development of new application areas,and the coming up of RS and GIS, and other aspect were included.

回顾了中国20世纪地图学的理论研究与技术进步，包括古地图的发现、国家地图集的编辑、地图科学原理与方法的研究、地图科学利用等领域的开拓、遥感与地理信息系统的兴起等等。

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。