We cannot, and should not, expect users to know this.
The A/D bits exist entirely for the operating system's benefit. The Accessed bit tells the OS which pages have been recently used, enabling page replacement algorithms to choose pages to evict when memory runs low. The Dirty bit tells the OS which pages have been modified and must be written back to disk before eviction; clean pages can simply be discarded and re-read from disk later.。关于这个话题，搜狗输入法2026提供了深入分析
，更多细节参见快连下载安装
Москвичей предупредили о резком похолодании09:45
通过网上的资料，流程见下图 ：，详情可参考下载安装汽水音乐