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).
Марина Совина (ночной редактор)
。91视频对此有专业解读
if(length > h-length)
Нина Ташевская (Редактор отдела «Среда обитания»)