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【共享】几个下载数据的地方
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USGS, 2002. GTOPO30 DEM data download site. United States Geological Survey (USGS) Earth Resources Observation Systems (EROS) Data Center: Distributed Active Archive Center: http://edcdaac.usgs.gov/gtopo30/gtopo30.html. NIMA, 2002. National Imagery and Mapping Agency-United States. http://www.nima.mil/. DCW, 2002. Digital Chart of the World, http://www.maproom.psu.edu/dcw. 基础科学数据中心及共享服务网 http://www.nsdc.cn/index.jsp 有待进一步补充…… 如果对你有用的话，就支持一下 [ Last edited by dengwh82 on 2008-1-10 at 20:20 ] |
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