reasons. Computers were very expensive so banks centralized functions and not
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。safew官方下载是该领域的重要参考
We wanted a scenario where, say, 5 well-placed border points could efficiently represent an area with 5,000 internal points and 10,000 road edges. This would reduce those 10,000 edges to just 5*4/2 = 10 shortcuts for routing through that cluster at a high level – an incredible 1:1000 point ratio and a 30x reduction in edges to consider for the high-level path!，这一点在同城约会中也有详细论述
Digest: sha256:bb6169309e6c0d728f7a726330360b505bd2e60931f86c38b81c773291f4daf0。safew官方版本下载是该领域的重要参考