摘要: Ovals, mathematically, are ellipses, including circles as a special case. The ellipse is fit into a rectangle defined by the coordinates (x0, y0) of t 阅读全文
posted @ 2016-05-08 22:39 狂奔的小狮子 阅读(6247) 评论(0) 推荐(1) 编辑