文章介绍了地图数据更新的目的和方法，以及数据增量探测与数据更新技术的关系。
The key technology of this model-meta data and its management, the capture for incremental data—is explained.
道路网信息几何差异的检测在导航电子地图数据更新，数据压缩和质量检查中具有重要的现实意义。
Detecting the geometric difference between the road networks has a realistic significance on the data update, data compression and quality check in navigation map.
2005年版是第一份《2001年精神卫生地图集》的更新，包含了关于精神卫生资源最完整的全球数据。
The 2005 edition is an update of the first Mental Health Atlas 2001, and contains the most complete global data available on mental health resources.
对于这座世界上最大的体育场，到目前为止，我们使用的是世界地图册列表提供的数据，该列表根据各体育场公布的固定容量以及来自官方体育场网站更新的信息进行排名。
For the biggest stadiums in the world, we have used data supplied by the World Atlas list so far, which ranks them by their stated permanent capacity, as well as updated information from official stadium websites.
因为信息被绑定在可以时时更新的数据上，一个静态地图在数小时内变得无关紧要。
Because the information was tied to constantly updated data, a static map would have become irrelevant within hours.
而一个名叫ushahidi的人道危机地图应用，一直以来通过从大众获取数据的方法实时更新着各种可能的人道危机讯息。
Ushahidi, a crisis mapping platform, has been providing updates on its work crowdsourcing information on the ground.
修正了允许玩家通过更新地图对话更新你保存的地图，清除地图的保存数据。
Fixed allowing players to update a map you're saved on via the update map dialogue which would clear the save data for that map.
当地图在改变的时候，更新的数据来自于没有刷新时间的视图。
When the map is dragged, the prefetched data comes into view with no refresh latency.
详细叙述了电子地图的作用、获取以及导航数据库的设计与更新技术。
The function and acquirement of E-MAP, and the design and update technique of navigation database are also put forward in detail.
针对这个现状，本文从实际生产出发，介绍了如何在导航电子地图生产制作中利用遥感影像图进行数据制作和信息补充，从而提高生产效率，同时阐述了利用遥感影像进行电子地图更新所面临的问题。
Based on the analysis of existing problem, we introduced a new way that can advance the production efficiency, that is use the remote sensing image to product map data and extract information.
针对这个现状，本文从实际生产出发，介绍了如何在导航电子地图生产制作中利用遥感影像图进行数据制作和信息补充，从而提高生产效率，同时阐述了利用遥感影像进行电子地图更新所面临的问题。
Based on the analysis of existing problem, we introduced a new way that can advance the production efficiency, that is use the remote sensing image to product map data and extract information.
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