Setout ellipse curve with the traditional method of four-center will bring up offset of point and deformation of chart .
四心圆法测设椭圆曲线会造成点位偏移,图形变形。
Setout ellipse curve with the traditional method of four-center will bring up offset of point and deformation of chart .
四心圆法测设椭圆曲线会造成点位偏移,图形变形。
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