https://stackoverflow.com/questions/45378918/specific-location-for-inset-axes
https://stackoverflow.com/questions/17458580/embedding-small-plots-inside-subplots-in-matplotlib
https://stackoverflow.com/questions/19335900/inset-axes-anchored-to-specific-points-in-data-coordinates
参考价值依次减少
特别需要注意的是，图的质量一定要过关，我就因为有一个图的质量太差，导致程序就是auto restart kernel，弄了好久，晕了
