The U.S. Geological Survey (USGS) released an extremely popular global DEM data set into the public domain several years ago.
前几年，美国地质调查局 (USGS)向公共领域发布了一个非常受欢迎的全球DEM数据集。
The USGS publishes its earthquake data in the form of a weekly CSV (or comma-separated values) file.
USGS以 CSV（或逗号分隔值）文件的格式发布每周地震数据。
According to data compiled by USGS in the aftermath of the quake, millions of people suffered strong shaking that would have
根据USGS在震后收集的数据，将有百万人口在地震中遭受严重损失。
According to data compiled by USGS in the aftermath of the quake millions of people suffered strong shaking that would have.
根据USGS在震后收集的数据，将有百万人口在地震中遭受严重损失。
The main data - the 2008 aerial image - was retrieved from USGS Seamless Server.
主要数据—2008年航空图像—来自于usgsSeamlessServer。
Arguably, the best web-based data source is the USGS Seamless data Server (see Resources), which offers an enormous amount of data coverage.
可以说，最好的基于web的数据源是USGSSeamlessDataServer(见参考资料)，它提供了大量的数据。
Analyzing the storage format of DMA DTED and USGS DEM and then presenting a new digital terrain elevation data storage format. The storing and reading algorithm are also realized.
分析了DMA的DTED和USGS的DEM高程数据存储格式，比较了其异同，提出了一种高效的数字地图高程数据的存储格式并实现了存取算法。
Data for the map were obtained from U. S. Geological Survey (USGS) and Environmental System Research Institute (ESRI).
地图数据源自美国地质调查局及环境系统研究所。
Data for the map were obtained from U. S. Geological Survey (USGS) and Environmental System Research Institute (ESRI).
地图数据源自美国地质调查局及环境系统研究所。
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