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.
扎克伯格期待用最高的人均算力留住最顶尖的研究者，但庞若鸣的转身离去显然给这份宏图蒙上了阴影：算力可以买到，但顶级人才的心未必能靠算力拴住。。服务器推荐对此有专业解读
。关于这个话题，雷电模拟器官方版本下载提供了深入分析
无限的空间拓展：打破重力限制，重塑你的桌搭逻辑极客范的磁吸支持：机身背面预留了强力磁吸环接口（MagSafe 同尺寸），可以吸附在任何金属表面，彻底解放 CD 机的摆放限制。你可以配合支架让它垂直站立在显示器旁，也可以优雅地「上墙」。，更多细节参见Line官方版本下载
Watch: "I'm not going to speculate", says Marco Rubio on Cuba boat shooting
Фонбет Чемпионат КХЛ