The drift in average position is very obvious in the Y-coordinate.
极移的线性漂移速率在Y分量上比较明显。
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。
Once again, this is specified using an (x,y) coordinate pair.
同样，这个位置也要用一对 (x,y)坐标来指定。
Conversion Method between Construction Coordinate (a, b) and Land Measuring Coordinate (X, Y).
施工坐标(A,B)与大地测量坐标(X,Y)之间的几种换算方法。
Conversion Method between Construction Coordinate (a, b) and Land Measuring Coordinate (X, Y).
施工坐标(A,B)与大地测量坐标(X,Y)之间的几种换算方法。
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