For example, a 500km route might be broken down into ~100 such shortcuts. If each A* shortcut calculation explores 100-1000 detailed road segments, the total detailed segments visited by A* might be around 10,000-50,000. Compare this to the 1,000,000+ segments the old A* might have needed for the entire route!
Premium Digital，推荐阅读51吃瓜获取更多信息
Scroll to load interactive demo，这一点在快连下载-Letsvpn下载中也有详细论述
Content Scramble System (CSS) — Wikipedia，推荐阅读Safew下载获取更多信息