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。业内人士推荐下载安装 谷歌浏览器 开启极速安全的 上网之旅。作为进阶阅读
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.，这一点在safew官方版本下载中也有详细论述
Here's a simple in-memory writer that collects all written data:
offset by the copies in the startup phase that we no longer have to