[{"cover_image":"https://picatria.org.cn/images/math_wiki_01_e_hu_7ce66244e10a09c6.webp","date":"2026-04-14","permalink":"https://picatria.org.cn/4_math/posts/GIF3nKDQf5/","summary":"summary：面向读者，可以是更长更详细的内容摘要. summary 在文章列表的每个条目中显示","title":"利用毕加索的艺术求面面角"}]