查询词典 gis

The development of the 120 emergency alarm system based on CIT and GIS technology.

基于CTI和GIS技术的120急救接警系统的开发。

Much research has been conducted on GIS data mode at home and overseas, and there was much mature and widely used data model. But only a little research has been done on the data model of Pipes-Lines-Nets of civicism,by Intergraph corp. and ESRI corp. in America and GROW corp. in ShenZhen.

国内外对GIS数据模型的研究很多，有很多成熟且使用广泛的数据模型，但对市政管线网数据模型的研究却相对较少，只有美国Intergraph公司、ESRI公司和深圳雅都公司有部分研究。

The function design of system includes writing down amendment and pretreatment about spatial database and attribute database. This system provides common and basic functions of GIS. Besides, we can make out the topographical maps, planimetric maps and skiagraph , structure objects of highway construction of design and can inquire two-way between spatial information and attribute information. The system apply Earned Value Method to perform the correlative property to classification statistic.

系统功能设计包括空间数据库和属性数据库的录入、修改以及预处理；系统还提供了一般GIS系统应具备的基本功能，并在此基础上进行涵盖公路设计施工的地形图、平纵缩图、构造物等图形信息与属性信息的双向查询，并运用挣值法等对相关属性进行分类统计以供有关公路工程项目的各方使用。

They both are one of abstract expressions to geographic space and time. By comparison, the latter is the target of GIS development. Feature classification, which must be based on cognitive classificatory theory, is the key to the latter.

二者都是对地理时空的一种抽象表达，对比分析后认为，基于特征的数据组织更符合人们的思维认知习惯，是GIS数据组织追求的目标；基于特征的数据组织方法的关键是特征分类，特征分类必须以认知分类理论为基础。

Based on GIS and RS,land use data for 1965,1988,2003,which were got by digitizing relief map and classifying two landsat TM/ETM images,and soil data by digitizing soil map were used to estimate SCS hydrological model parameter.

在GIS支持下，以1965年西双版纳地形图及1988、2003年两期Landsat TM/ETM卫星影像获取的土地利用数据及实地土壤调查资料确定模型参数，通过分析CN值的变化来反映土地利用变化对径流的影响。

However, the two schemes are not conflicting, the second scheme is developed on the basis of the first one. So it is very helpful to implement the first one for the latter one, because the project is componential, we can develop the component step by step to the first scheme and gradually build up the distributed GIS.

但是，这两种方案并不冲突，后者以前者为基础，实现前者，对后者有极大的帮助，并且由于设计的构件化，可以随着技术的不断发展和完善，逐步地向前者添加有关构件，实现分布式GIS的渐进发展。

This paper proposed a complete change detection method,which uses the segments obtained from the conflation of the GIS data and remote sensing images.

提出了利用GIS辅助数据与遥感影像套合获取像斑进行变化检测的完整方法。

Using mathematics compounding methods and GIS technique, we gave an integrated evaluation of the suitability applying to map congruence method and align-to-weighted, through confirming index system criterion of grade, ration method, the conclusion as follows:(1) Evaluation on the suitability of forest landscape is analyzing entironment, structure and function of existent forest landscape.

采用数学组合法和GIS技术结合，在确定适宜度评价指标体系、因子分级标准、定量方式与因子权重后，应用地图叠加法和权重法对每一评价单元进行综合适宜度评价，得到结论如下：(1)森林景观适宜度评价是指对现存森林景观的自然环境条件、景观结构与功能的分析与评价。

Being a basic structure of computational geometry, convex hull is important to data analysis of GIS.

摘 要：(浅谈平面海量散乱点集凸壳算法)凸壳作为计算几何的一种基本的结构，对GIS的数据分析有着重要作用。

Cotton bollworm is more serious pest in cotton belt of Xinjiang, China. In order to guarantee the biggest commercial cotton belt sustaining and healthy, Information project of pest monitoring and prediction is carried out in this commercial cotton base. In this research, we are focusing on automatical data acquisition, data delivery, design and construction of database, data processing and data display and forecast based on GIS. Key technologies and difficulty are explored, which is built the manipulable technologies and management platform for regional monitoring and prediction of cotton bollworm.

棉铃虫在新疆棉区危害逐年加重，为保障我国最大商品棉基地的可持续发展，开展了优质棉基地植保信息工程研究，本文结合新疆植保体系发展和未来新技术的动向，重点集中在有害生物数据自动化采集、数据远距离传输、数据库设计和数据库建设、模型处理和GIS系统在预测和信息发布上的应用，探索植保信息工程建设中的难点和关键技术，为区域化棉铃虫监测和预警提供技术保障和管理平台。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐