Title Text:If you can’t get your graphing tool to do the shading, just add some clip art of cosmologists discussing the unusual curvature of space in the area. Origin:https://xkcd.com/2031/ https://www.explainxkcd.com/wiki/index.php/2031:_Pie_Charts 饼图 如果你找不到绘图工具来做阴影处理的话，为何不试试添加一些宇宙学家讨论的区域空间的异常曲率的剪贴画呢？ https://mp.weixin.qq.com/s/ixZY_iOj3x2eep9bGIWh7g 饼图图表比例为圆的“切片”，就像切成切片的饼图… Read more