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.
A new generation of actuators could in theory enable the transition from stumble-bots to far more balletic machines.
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他们来到花都区田美村的杜氏宗祠，在浩瀚的族谱中，找到了杜耀豪父亲和爷爷的名字。（受访者供图）
Wolves v Aston Villa, Friday 8pm (all kick-offs GMT)