坐标值代表纬度和经度：“地理” 坐标，不是投影坐标。

The coordinate values represent latitude and longitude: "geographic" coordinates, not projected ones.

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地理和投影坐标系都包含对地球形状的假设(一个略扁的球体)；这称为大地基准点。

Both geographic and projected coordinate systems include a definition of the assumed shape of the earth (a flattened sphere); this is called the geodetic datum.

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斯特·雷贝投影图：“在我的后背上，”地理学家玛丽娜·伊丝莱斯(Marina Islas)写到，“纹有一幅世界地图。”

Strebe Projection "on my back," write the geographer Marina Islas, "I have a map of the world."

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