Both page table entries and segment descriptors have an Accessed bit that the hardware must set on use -- but the mechanisms are quite different.
用一句我听过的话形容，就是“我们一篇软文，可以养你好几年。”
，这一点在新收录的资料中也有详细论述
The pregame scene outside Baltimore’s M&T Bank Stadium on Saturday likely felt familiar to anybody who has followed Lionel Messi’s time in Major League Soccer. Fans milled about, forming a colorful patchwork of Inter Miami pink, the light blue and white of Argentina’s national team, and in this case, the purple of the NFL’s Baltimore Ravens. Others simply came in whatever soccer jersey they happened to own, all the way down to indoor soccer’s Baltimore Blast, the closest thing the city normally gets to top-flight soccer.
敏捷开发方法论在软件行业得到了广泛应用，其核心是快速迭代和持续反馈。