天地图
- 网络Map World
天地图-
上海地图网站也是全国地图网站天地图的一个省级分支。
Shanghai-map site is also a provincial level branch of national map site ' Tianditu ' .
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总体来说，“天地图”对涉密数据进行了处理，数据符合国家有关规定。
" All the mapping information has been permitted by the SBSM and related national security departments ," Min said .
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自从计算机技术应用于地图制图学领域的第一天起，地图自动综合就成为人们一直想要解决的问题，直到21世纪的今天，仍没能找到一个万全之策来解决这一国际性难题。
People always want to solve the problem of map automatic generalization since computer technology was applied in cartography . Until the 21st century , there is not a perfect method to solve it .