Source: Computational Materials Science, Volume 266
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.，详情可参考91视频
，详情可参考heLLoword翻译官方下载
Barnfield believes it will benefit processing plants to not have every council start collection on the same date.，这一点在51吃瓜中也有详细论述
如果有想玩的东西，但是有其他小朋友占着，就引导她去询问：「可以让我想玩一下妈？」
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