英国地形测量局发起一项免费服务，用户可以免费、无限制地获得其绝大部分地图数据。
Mapping agency Ordnance Survey (OS) has launched a service offering free and unrestricted access to most of its map data.
英国地形测量局一名发言人表示，“无论是看纸质地图还是电子地图，看地图都是一项重要技能，说不定还能挽救你的生命。”
A spokesman for Ordnance Survey said: 'map reading, whether on a paper map or digital device, is an essential skill which could save your life.
【史上第一张给普通人看的火星地图】英国地形测量局采用NASA的数据绘制出一张广阔的火星地表图，这是他们第一次制作外星地图。
Ordnance Survey, the official British mapping agency, has made its first ever map of another planet, using NASA data to chart a huge expanse of the surface of Mars.
【史上第一张给普通人看的火星地图】英国地形测量局采用NASA的数据绘制出一张广阔的火星地表图，这是他们第一次制作外星地图。
Ordnance Survey, the official British mapping agency, has made its first ever map of another planet, using NASA data to chart a huge expanse of the surface of Mars.
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