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!
她的记忆更为具体而惊心。子弹飞过街道，全家人用厚重的布匹挡住大门，蜷缩在客厅后面房间的床底。待扫射的喧嚣过去，战战兢兢地查看，大门上已布满弹孔。
。业内人士推荐雷电模拟器官方版本下载作为进阶阅读
What we know so far about the deadly boat shooting off Cuba’s coast
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