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单选题 If a micro-circle with a radius of 2 millimeters on a sphere is projected to a horizontal surface and becomes an ellipse with a long radius of 3 millimeters and a short radius of 2 millimeters, then the area ratio of the projection is ( )
学科：地图学
时间：2025-07-03 17:39:25
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题目1单选题
The theoretical basis for drawing maps using the traditional "planning and planning method" in our country is ( )A. Pei Xiu's Six Body CartographyB. Shen Kuo's Dream Creek EssaysC. Guo Shoujing's altitudeD. Jia Dan's Map of Chinese Barbarians in the Sea
题目2单选题
The latitude and longitude of a ground point represent its position on ( )A. Reference ellipsoidB. GeoidC. Rotating ellipsoidD. The natural surface of the Earth
题目3单选题
According to the relevant national regulations, various surveying and mapping results and newly built geographic information systems produced after July 1, 2008 should adopt ( )A. 1954 Beijing National Geodetic Coordinate SystemB. 1980 Xi'an National Geodetic Coordinate SystemC. 2000 National Geodetic Coordinate SystemD. WGS-84 World Geodetic Coordinate System
题目4单选题
If a road is 6 kilometers long and represents 12 centimeters on the map, then the map belongs to ( )A. Geographic mapB. Topographic mapC. Large scale mapD. Medium scale map
题目5单选题
The elevation of the origin of the Yellow Sea elevation system in China in 1956 was 72.289 meters, and the elevation of the origin of the 1985 national elevation benchmark was 72.260 meters. If the elevation of a point in the 1956 Yellow Sea elevation system was 32.562 meters, then the elevation of that point under the 1985 national elevation benchmark is ( ) metersA. 32.533B. 32.691C. 32.562D. 25.438
题目6单选题
If a road is 12 centimeters on the map and represents 6 kilometers long on the ground. The map belongs to ( )A. Geographic mapB. Topographic mapC. Large scale mapD. Medium scale map
题目7单选题
On the basic scale topographic map of a country in the Gauss Kruger projection, the vertical axis of the Cartesian coordinate system is ( )A. Central meridianB. The central meridian has shifted westward by 500 kilometersC. The central meridian is moving eastward by 500 kilometersD. The central meridian has shifted westward by 300 kilometers
题目8单选题
If a micro-circle with a radius of 2 millimeters on a sphere is projected to a horizontal surface and becomes an ellipse with a long radius of 3 millimeters and a short radius of 2 millimeters, then the area ratio of the projection is ( )A. 1B. 1.5C. 2D. 2.5
题目9单选题
A map that highlights one or several natural or socio-economic phenomena in map content is ( )A. Topographic mapB. Geographic mapC. Regular mapD. Thematic map
题目10单选题
The double standard latitude of the basic scale topographic map F49D002002 is ( )A. 20 ° 35'00 "and 23 ° 25'00"B. 20 ° 25 ′ 00 ″ and 23 ° 35 ′ 00 ″C. 24 ° 35'00 "and 27 ° 25'00"D. 24 ° 25'00 "and 27 ° 35'00"
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