Unverified50% confidenceFactExact time
差分启发式的查询阶段计算 h(n, t) = 所有地标L中 |dist(n, L) - dist(t, L)| 的最大值，且该估计永远不会超过真实距离（可采纳性成立）
1
Sources
50%
Confidence
Long-term
Relevance
8/10/2026
First Seen
Sources
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