“锐度”的英语？

“锐度”的拼音为：...

浑圆度取决于边角的锐度或曲率半径.Roundness depends on the sharpness or radius of curvature of the edges.形状描述该颗粒外形,不考虑颗粒边角的锐度.Shape describes the form of the particle without reference to the sharpness of its edges.主要指标LogMAR视力 、 最佳矫正视力 ...