Durbin地形图
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关于这张地图
名称：Durbin地形图、海拔、地势。
平均海拔：928 米
最低海拔：816 米
最高海拔：1,104 米
其他地形图
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Green Bank Telescope
United States > West Virginia > Pocahontas County
As an azimuth-elevation mounting telescope, the azimuth adjustments are driven by four trucks with four wheels each on a 210-foot (64 m) diameter rail. The 16 thirty-horsepower motors can change azimuth at the rate of up to 40 degrees per minute. Azimuth axis is also supported by a pintle bearing at the center…
平均海拔：822 米
