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.
// 核心过滤：弹出栈中「≤当前元素」的数（易错点2：必须是≤，不是<）
，更多细节参见WPS下载最新地址
我们刚坐定，他的手机在饭桌上响了起来。第一声没接。第二声响起时，阿爸起身走到门口。院子里的烟火光在他的光头上闪了一下。
第四十八条 仲裁员是否回避，由仲裁机构主任决定；仲裁机构主任担任仲裁员时，其是否回避由仲裁机构的其他组成人员集体决定。，更多细节参见heLLoword翻译官方下载
Isaacman said the Artemis III docking in low Earth orbit could take place with one or both of the landers.。关于这个话题，51吃瓜提供了深入分析
Hebrew Paseq: a non-obvious finding