以最小外接圆法评定了金刚石颗粒投影的圆度。
The roundness of grit's projection was assessed by minimum circumcircle method.
研究结果表明，压裂支撑剂球度与圆度的测量与分析的算法能够成为颗粒图像识别分析系统的理论基础。
An algorithm has been inferred for the sphericity and roundness of fracturing proppant, promulgating the characteristics and building the foundation for technological application.
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