本issue复制自[旧仓库](https://github.com/tanhHeng/GraduateTextsInTechnicalMC/issues/37)，原作者为 @hotpad100c --- [原文](/gtmc-dev/articles/blob/main/TreeFarm/01-%E5%89%8D%E7%BD%AE%E7%9F%A5%E8%AF%86%E4%B8%8E%E6%A0%91%E5%9C%BA%E7%9A%84%E5%9F%BA%E6%9C%AC%E7%BB%93%E6%9E%84.md#122-%E6%A0%91%E5%B9%B2%E5%A4%84%E7%90%86) 三次递推，伪二次递归等词汇缺乏解释，图片几乎不具与运作细节相关的参考性
