字体
https://blog.csdn.net/wuzlun/article/details/80059181
dpi
https://www.zhihu.com/question/36269038
https://www.thinbug.com/q/16183462
双 y 轴
https://blog.csdn.net/autoliuweijie/article/details/51594373
https://www.cnblogs.com/atanisi/p/8530693.html
可用 latex
https://wizardforcel.gitbooks.io/matplotlib-user-guide/4.7.html
https://blog.csdn.net/wizardforcel/article/details/54782636
https://www.osgeo.cn/matplotlib/tutorials/text/usetex.html
罗马字母
https://www.neusncp.com/user/blog?id=142 important
https://wizardforcel.gitbooks.io/matplotlib-user-guide/4.6.html
保存,关闭图像
https://blog.csdn.net/shenruixue_CSDN/article/details/52335544
pandas
https://blog.csdn.net/qq_36076233/article/details/70157495
https://www.jianshu.com/p/94cb6a6d3c47
https://blog.csdn.net/wanglingli95/article/details/78887771
https://www.cnblogs.com/qingyuanjushi/p/6736810.html
https://www.cnblogs.com/yfacesclub/p/11232736.html#_label1_8
minipage
https://vvingerfly.github.io/2018/02-16-Tex-imageTypesetting/
https://blog.csdn.net/jizhidexiaoming/article/details/86258784
matplotlib legend 横向排列
https://uzzz.org/2019/06/13/789131.html
https://my.oschina.net/duluo180/blog/65985
https://blog.csdn.net/helunqu2017/article/details/78641290
https://zhuanlan.zhihu.com/p/32441279