Now, OsmAnd performs another Dijkstra search, but this time on the much smaller "base graph." This graph consists only of the border points and the pre-calculated shortcut values between them.
Варвара Кошечкина (редактор отдела оперативной информации)，详情可参考搜狗输入法下载
，详情可参考WPS官方版本下载
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Why food fraud persists, even with improving tech。业内人士推荐Line官方版本下载作为进阶阅读