查询词典 gis

Aimed at the characteristic of process industry, combined with the powerful ability of GIS and spatial data mining which express and process spatial data, it is a new way to realize the information query, analysis, prognostication and decision-making functions of CIMS with GIS and spatial data mining applied in industry CIMS and makes sense to promote the development of CIMS.

针对流程工业CIMS的特点，结合GIS和空间数据挖掘技术在描述和处理空间信息时强大的表达和处理能力，将GIS和空间数据挖掘技术运用于流程工业CIMS信息服务和决策支持系统，是实现流程工业CIMS的信息查询、分析、预测、评价和决策的一种新的、有效的途径，对促进流程工业CIMS的发展具有重要的意义。

Network integration of GIS and realtime control system is one trend of GIS development.

GIS与实时控制系统集成是GIS的发展方向之一。

The paper investigates more the structure of GIS based on the modes of C/S and B/S, adopts the methods of separated organizing and uniform managing to the vector background relief map and spatial data of communication equipment connection.

这也是现在GIS系统所采用的较为有效的数据管理方法。阐述了设计一个完整的基于GIS的资源管理系统所需的各种知识，如基本的GIS涵义，Oracle数据库的结构，以及所用到的MapInfo公司的两种产品MapX和MapXTreme与第三方语言VB的使用集成。

This paper take Dongping National Forest Park as sample. With the support of GIS technology, the spatial database and attribute database in tourism area had been set up. Stat, buffer, intersect function and animation making tool in GIS had been taken to analyze environmental corridor, scenically environmental capacity and 3-dimension virtual scene, the analysis result could work as reference for development programming and ecology protection in tourism region.

本文以东平国家森林公园为例，在GIS技术的支持下，通过数据收集和实地调查，建立了旅游景区空间数据库和属性数据库，通过GIS的统计功能、缓冲区分析、叠加求交技术以及ArcScene动画制作工具，在旅游景区的环境廊道、环境容量和景区三维虚拟情景模拟方面进行了初步应用分析，以期为旅游景区的发展规划和生态环境的保护提供参考。

Component GIS is a kind of application of object-oriented technology and component software technology in GIS software development.

组件式GIS的推出，为各种GIS应用系统的革新和完善提供了契机。

Through hang together the simplex data model based on dissection and conventional GIS data model, we develop a integrated and polymorphic model, object oriented unified model of tessellated simplex and conventional GIS, which convenient to inherit and congregate. The model manage the abstracted data accord to 4 level factor, that is geometry object model, topologic geometry object view model and geography object model.

论文采用面向对象的方法把基于剖分的单纯形数据模型与传统的GIS数据模型结合在一起，提出并建立了一个便于继承、组合、多态的较完整的三维数据模型与结构一面向对象的单纯形剖分与GIS一体化三维数据模型。

The paper mainly concerns about:(1)Proposing the idea of completing the job using GIS software by discussing deficiency of the traditional transportation job;(2)Discussing the transportation plan algorithm and the flow, in this foundation, designing the transportation model programming realization flow chart;(3)With the comparison of the domestic and foreign GIS software platform, determining ArcGIS Desktop which has large drawing edit and spatial analyse functions as the development platform of transportation planning;(4)In the data organization and the database establishment, by using the recent object-oriented spatial data— Geodatabase and UML, completing the system database design and establishment, including spatial database, attribute database as well as transportation network database

详细研究内容如下：(1)论述了传统交通规划软件存在问题，提出了利用GIS平台开发交通规划系统的基本思想；(2)论述了交通规划的算法和流程，在此基础上，设计了交通模型编程实现的流程图；(3)通过比较国内外GIS软件平台，选定了具有强大图形编辑和空间分析功能的ArcGIS桌面版为交通规划系统的开发平台；(4)在数据的组织和数据库的建立上使用新的面向对象的空间数据—Geodatabase，并利用统一建模语言UML完成了系统数据库的设计与建立，包括空间数据库，属性数据库以及交通网络数据库；(5)论述了系统编程实现的基本方法，在ArcMap下采用VBA编程方法自由地定制了系统界面；(6)利用ADO Data和数据网格控件存取交通规划系统预测功能所需的数据库；(7)采用VB对ArcObject控件扩展开发方式，实现系统功能的开发，即利用COM技术的扩展性在VB中创建ActiveX动态链接库来实现特定的系统功能，并集成在ArcMap中运行；(8)系统完成了交通发生预测、交通分布、缓冲区分析、道路的网络分析、公交

The outlines of thesis are as follows: In order to solve the problems that noises such as corona can not be removed by routine electrical measurement methods and the signal of PD generated from the GIS can be picked up effectively, the transmission character of electromagnetic wave generated by PD in GIS is studied. The ultra high frequency band of the signal is chosen to solve the problem.

主要工作如下：针对GIS局部放电在线检测技术中既要避开常规电气方法难以排除的电晕等干扰，又要有利于接收信号的关键问题，研究了GIS内的局部放电信号发出的电磁波的传输特性，选择超高频段信号为接收信号。

Vector graphics system is an important component of GIS,and the focus of empoldering GIS.

矢量图形系统是GIS的重要组成部分，也是开发GIS的重点所在。

Vector graphics system is an important part of GIS, as well as the development of GIS systems are all about.

矢量图形系统是GIS的重要部分，也是开发GIS系统时的重点所在。

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。