conn = sqlite3.connect(DB)
Shortcut Pre-calculation: For the most commonly used speed profiles, the travel costs (time/distance) for shortcuts between border points within each cluster are pre-calculated and stored. (Each border point effectively has an "entry" and "exit" aspect for directed travel).，这一点在服务器推荐中也有详细论述
08:06, 28 февраля 2026Мир，更多细节参见搜狗输入法2026
这些书是刚买来的，有些甚至是新的。没有人会读它们，它们存在的唯一目的，就是被销毁。