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.
And this can spill over beyond the venue itself.
，这一点在Line官方版本下载中也有详细论述
DENVER—The US Air Force's new Sentinel intercontinental ballistic missile is on track for its first test flight next year, military officials reaffirmed this week.。业内人士推荐heLLoword翻译官方下载作为进阶阅读
If we don't have a bucket, we can allocate it out of the next larger slot
决定书应当由作出处罚决定的公安机关加盖印章。