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Xi'an Geodetic Coordinate System 1980
释义
Xi'an Geodetic Coordinate System 1980
1980西安坐标系; 采用1975国际椭球,以JYD 1968.0系统为椭球定向基准,大地原点设在陕西省泾阳县永乐镇,采用多点定位所建立的大地坐标系。
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更新时间:2025/12/25 23:21:24