说明：  调整figure的大小和位置 设置颜色、字体、字号、加粗、倾斜 设置坐标范围、刻度线 设置图中线宽、坐标线宽 在图中添加文本标记 自动使figure最大化
( Adjust the size of the figure and location Set the color, font, font size, bold, tilt Set the coordinate range, the scale line Set figure line width, coordinates, line width Text markup is added in the figure To maximize figure automatically )