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.
title = extract_text(soup.select_one("h1"))。夫子是该领域的重要参考
Дания захотела отказать в убежище украинцам призывного возраста09:44，这一点在Line官方版本下载中也有详细论述
Жители Санкт-Петербурга устроили «крысогон»17:52。业内人士推荐Line官方版本下载作为进阶阅读