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// 数组完全有序，直接返回0
Crucially, this distribution of border points is agnostic of routing speed profiles. It’s based only on whether a road is passable or not. This means the same set of clusters and border points can be used for all car routing profiles (default, shortest, fuel-efficient) and all bicycle profiles (default, prefer flat terrain, etc.). Only the travel time/cost values of the shortcuts between these points change based on the profile. This is a massive factor in keeping storage down – map data only increased by about 0.5% per profile to store this HH-Routing structure!，详情可参考safew官方版本下载
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，这一点在爱思助手下载最新版本中也有详细论述
[&:first-child]:overflow-hidden [&:first-child]:max-h-full"，这一点在谷歌浏览器【最新下载地址】中也有详细论述
谷愛凌：輿論漩渦中的「冰雪公主」