我在西安地图上的什么位置？
我在西安地图上的什么地点？
1954年北京坐标系和1980西安坐标系是我国目前地图资料中存在的二种坐标系统。
The Beijing coordinate system in 1954 and the Xi 'an coordinate system in 1980 are two kinds of coordinate systems kept in the map document presently in China.
1954年北京坐标系和1980西安坐标系是我国目前地图资料中存在的二种坐标系统。
The Beijing coordinate system in 1954 and the Xi 'an coordinate system in 1980 are two kinds of coordinate systems kept in the map document presently in China.
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