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 * PostgreSQL 技能树：https://codechina.csdn.net/csdn/skill_tree_pg
 * OceanBase 技能树：https://codechina.csdn.net/csdn/skill_tree_oceanbase
 * 全栈工具 技能树：https://codechina.csdn.net/csdn/skill_tree_toolchains
+* AI 技能树 https://codechina.csdn.net/csdn/skill_tree_ai
 
 ## 技能树概述