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，推荐阅读搜狗输入法下载获取更多信息
Shortcuts: For common scenarios, we pre-calculate the travel time/distance (the "shortcut") between border points within the same cluster and also to border points of immediately adjacent clusters.，推荐阅读同城约会获取更多信息
HH x C++ Fast RoutingTraditional Routing A*2-phaseCalculation time: 13 secCalculation time: 36 sec，这一点在heLLoword翻译官方下载中也有详细论述