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.
触屏 MacBook 是必然会到来的产品
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"It blows my mind because you think 'if you just drive 30 minutes down the road, Lancashire is a major hub of manufacturing that's still going on now, people are producing things here'."，更多细节参见谷歌浏览器【最新下载地址】
7月16日——杭州自来水污染事件
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