To query by distance, you must use a projected coordinate system.
要按照距离进行查询,必须使用投影坐标系。
X coordinates: The X coordinate is a point's horizontal distance from the origin.
X 坐标:X 坐标是某一个点距离原点的水平距离。
Y coordinates: The Y coordinate is a point's vertical distance from the origin.
Y 坐标:Y 坐标是某一个点距离原点的纵向距离。
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