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Felo.ai令人意外的是，Felo 不支持 Markdown 文档上传，毕竟 Markdown 是 AI 大模型的通用「语言」。因此测评中我改用了博客原文链接。。关于这个话题，搜狗输入法2026提供了深入分析
The 386 supports four privilege rings (0 through 3), though in practice nearly all operating systems use just two: ring 0 for the kernel and ring 3 for user programs. Three privilege levels interact on every segment access: CPL (Current Privilege Level), DPL (Descriptor Privilege Level), and RPL (Requested Privilege Level).。服务器推荐对此有专业解读
Фото: Kenny Holston/The New York Times / Reuters