使用 ax.plot_surface () 方法绘制表面，其中 alpha=0.8 参数设置透明度效果，同时添加坐标轴标签以提高图形的可读性和专业性。

You need to send three things to plotly - the x, y, and V data. For the type of plot, you could have a 'contour' or 'heatmap' - technically, you can do a surface plot also (I think this is still ...