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. 2023 Jul 20;43(7):1233–1240. [Article in Chinese] doi: 10.12122/j.issn.1673-4254.2023.07.20

图 7.

图 7

钢珠点投影中心坐标定位精度对偏移误差分析

Analysis of offset error of coordinate positioning accuracy of steel ball point projection center. A: Results of 25 projection averages. B: Results of 50 projection averages.