X
Search Filters
Format Format
Subjects Subjects
Language Language
Publication Date Publication Date
Click on a bar to filter by decade
Slide to change publication date range


城市地理, ISSN 1674-2508, 2017, Issue 8X, pp. 74 - 75
依据《国家基本比例尺地图图式第1部分:1:500 1:1000 1:2000地形图图式》(以下简称图式)GB/T20257.1-2007的要求,现有资料为1:500比例尺基础地理信息数据,需要逐层缩编到1:2000。本文重点介绍了基础地理数据缩编整理的主要流程及操作要求,包括分层整理、拓扑化处理以及图幅接边。 
基础地理信息;数据缩编;分层整理;拓扑化处理
Journal Article
No results were found for your search.

Cannot display more than 1000 results, please narrow the terms of your search.