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).
Андрей Ставицкий (Редактор отдела «Наука и техника»)。同城约会是该领域的重要参考
It was Christmas Eve 1968.，这一点在搜狗输入法2026中也有详细论述
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