Что думаешь? Оцени!
What if you create a truly unique routing profile that's wildly different from the common ones for which shortcuts were pre-calculated? The system is smart. If it detects that too many shortcuts (~50, for example) need on-the-fly recalculation and deviate significantly, it might determine that falling back to the original, comprehensive A* algorithm for the entire route would actually be faster than doing many small, heavily modified A* calculations.
，这一点在safew中也有详细论述
AIで簡単にウェブページ上でさまざまなタスクを実行できるようになる「PageAgent」を使ってみた，推荐阅读谷歌获取更多信息
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