An Ordnance Survey grid reference gives the position of a place to within 100 metres.
全国地形测量局的地图坐标标示某地的位置精确到100米以内。
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。
"It's time for motorists to take a refresher in map-reading skills," said Scott Sinclair of national mapping agency Ordnance Survey.
英国国家陆地测量局的斯科特•辛克莱说：“司机们应该在看地图技能方面补补课了。
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.
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。”
Though she spent much of the time with her nose in one-inch Ordnance Survey maps, tracking the contour lines, she found them a “coarse instrument” for her purpose.
虽然她皓首穷经地埋首于英国四十万分之一比例尺的全国地形测量地图，追寻每一条等高线，对她的研究目标来说，她仍觉得这份地图算是「粗糙的工具」。
In Britain postcodes and Ordnance Survey map data at present cannot be freely used for commercial purposes-a source of loud complaints from businesses and activists.
在英国，邮政编码和陆军测量局的地图数据目前都无法免费用于商业目的，这一点在企业家和社会活动家中饱受诟病，怨声载道。
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.
【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。
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