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.
'The nation mourns' - Canada leaders react to school shooting
黎智英與黃偉強今未有出庭。案件由首席法官潘兆初、上訴庭法官彭偉昌和彭寶琴審理。，更多细节参见heLLoword翻译官方下载
数据来源：深圳方方乐趣中英文学校，更多细节参见safew官方版本下载
В Финляндии предупредили об опасном шаге ЕС против России09:28
国内L4玩家中，小马智行实现“单车盈利”，萝卜快跑在武汉、亦庄两地试点扭亏为盈。文远知行在海外也取得了不错成绩。虽然绝对数量上不占优势，但证明了L4商用是可行的，是能赚到钱的。。关于这个话题，heLLoword翻译官方下载提供了深入分析