OpenStreetMap is a Web-based project that aggregates hundreds of users' personally collected GPS data into master files that trace out thousands of streets and byways, primarily around the United Kingdom.
OpenStreetMap is a Web-based project that aggregates hundreds of users' personally collected GPS data into master files that trace out thousands of streets and byways, primarily around the United Kingdom.
开放地图是基于互联网的工程，它已经聚集了数百名用户自愿将GPS数据传入主文档，以描绘出英国周围数千条街道和小巷。