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此图(成像时间2012年5月30日)为西安城区资源三号卫星真彩色影像(2米分辨率)。西安地处中国陆地版图中心,古称长安、京兆、镐京,是中华文明和中华民族重要发祥地,丝绸之路的起点;西安历史上有13个朝代在此建都,是世界四大古都之一。图像上显示的是西安中心老城区,矩形的护城河和城墙(明代城墙)环绕老城一圈,此外城墙的东、西、南、北主城门和东西、南北走向的主路在图像上也清晰可见。
This picture (imaging time May 30, 2012) for the Xi’an Urban Resource No. 3 satellite true color image (2 meters resolution). Xi’an is located in the center of China’s terrestrial territory, the ancient name of Chang’an, Beijing trillion, pick Beijing, is an important place of Chinese civilization and the Chinese nation, the starting point of the Silk Road; Xi’an in the history of the 13 dynasties in this capital, is the world’s four ancient capital one. Image shows the old city center of Xi’an, rectangular moat and the city wall (Ming Dynasty city wall) around the old city circle, in addition to the east, west, south and north of the main city gates and things, north and south of the main road in the image clear and distinct.