Source: Computational Materials Science, Volume 267
在故乡县城，你还是能找到许多过去的影子。那是“中式梦核”遗留在时代缝隙里的影子：破旧的房子很多年没有修，没办法在大城市出现的电动三轮成为县城独特的出行工具，小摊的烟火气在无序中自有章法……
Gamma-Rapho/Getty Images，详情可参考同城约会
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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!，推荐阅读WPS官方版本下载获取更多信息