topographic data的例句大全

The design and development of the topographic data extraction information system based on non-metric digital imagery.

基于 非 量测数码影像的地形数据采集信息系统设计与开发.

1 ∶ 50 000 topographic database is one of the most important databases in National Fundamental Geographic Information System, and it is also the database platform in National Spatial Data Infrastructure. It has substantial data contents and brings huge engineering work on database construction.

国家基础地理信息系统1∶50000数据库是构建数字中国空间地理框架的重要组成部分，1∶50000地形数据库作为1∶50000数据库的重要数据内容，是数据内容复杂、建设难度最大的数据库。

Programme of collecting topographic data for PC-1500 Computer in cooperation with comparator

PC－1500机配合坐标仪的地形数据采集程序

Data Design and Database Building for 1 ∶ 50000 Topographic Database

国家1∶50000地形数据库的数据设计与建库

It is possible for the vector topographic data to remain many problems after importing to personal database. So the author did some research on how to check the problems and how to combine the data-check in the database and the pretreatment before importing to database.

如何通过各种方式检查出矢量地形数据入库后仍存在的问题，如何将对矢量地形数据库的GIS数据检查和对原始矢量地形数据的检查进行统一安排，作者也提出了一些有价值的见解。

Nowadays the most common used methods for extracting small range topographic data are the total-station-based ground surveying and the photography-theodolite-based terrestrial photogrammetry.

目前常用的小范围地形数据采集方法主要有基于全站仪的地面测量方法和基于摄影经纬仪的地面摄影测量方法。

Discussion on Structure of Spatial Data of Large Scale Topographic Maps for GIS

面向GIS的大比例尺数字地形图空间数据结构探讨

By collecting large number of data about rural society, economy, and water resource, water environment, as well as topographic condition, this paper has the rural water environment economy system database set up, with the technique of matter-element analysis method and GIS.

采集农村社会、经济、水资源和水环境等方面的海量数据和地理物貌，利用物元模型和GIS技术构建农村水环境经济系统数据库。

In order to certificate the accuracy of Landsat-5 systematically corrected TM image data, an accuracy analysis of four scenes has been conducted based on 1: 50 000 topographic map.

为了鉴定陆地卫星5号系统纠正TM图像产品的精度，我们以1：5万地形图为基准，对四景TM图像作了精度分析。

apparent magnetization mapping from high resolution aero magnetic data in the region of high topographic relief

中高山区高精度航磁视磁化强度填图方法

The main job is to collect the soil maps, district maps, topographic maps and other related socio-economic data of the study area.

主要是收集研究区的土壤类型图、行政区划与地形图等相关图件，以及相关的社会经济数据。

Data quality controlling is a important index for topographic digital map.

数据质量控制是良好的数字地形图质量的重要保证.

it requires little extra work in r to produce quite stunning perspectival topographic maps of 3-d data. for example

在R中，要生成三维数据的极好的透视地形图（topographicmaps），需要稍微多做一些工作。

firstly, the request of vector map data is summarized, such as color-setting standard, attribute definition of topographic feature, etc.

首先对入库的矢量图形数据要求做了概述，如要素的分层设色标准、地形图要素属性项定义等；

the application of boole matrix fuzzy clustering used in topographic diagrams data mining

Boole矩阵法模糊聚类在地形图数据挖掘中的应用

in construction of hydroelectric project, small range dtm data are often needed for topographic surveying, mapping, excavated form detection, earthwork calculation and so on.

水利水电工程施工过程中常常需要获得一些小范围的DTM数据，用于地形测绘、开挖形态监测及工程土石方量计算等。

with rs and gis technology as support and with tm image in 1988, 2000 and topographic map in 1963 as the data source, the present paper monitors the trends of the reclamation of fujian province since the 1960s.

本文以RS和GIS技术为支撑，以1988年、2000年的TM影像图和1963年的地形图为数据源，对60年代以来福建省滩涂围垦进行动态监测。

In this paper the principle of GPS underwater topographic survey without tide gauge is first introduced, then the methods of data collection and processing are discussed.

介绍了GPS无验潮水下地形测量的原理，探讨了其数据采集与处理方法，并对GPS无验潮水下地形测量的精度和特点作了说。

The beach deformation and erosion during 9914 typhoon against Xiamen Island are studied in the paper, according to both the repeated topographic survey of the beach profiles of Xiamen Island and the determined data of tidal level and wind elements for 9914 typhoon.

根据9914号台风发生前后对厦门岛滨岸海滩剖面地形的重复测量结果及有关台风要素和潮位的实测资料，探讨了台风袭击厦门岛期间海滩的变形特征和侵蚀状态。

Influences of Gross Error in Primary Data on Result of Underwater Topographic Survey and its Correction

含有粗差的起始数据对水下地形测量的影响及修正