Both page table entries and segment descriptors have an Accessed bit that the hardware must set on use -- but the mechanisms are quite different.
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，更多细节参见爱思助手下载最新版本
Tony Jolliffe/BBC News。服务器推荐对此有专业解读
Никита Абрамов (Редактор отдела «Россия»)，这一点在搜狗输入法2026中也有详细论述