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!
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Although the 2025 iPad is a last-gen model powered by Apple’s older M3 chip with less RAM, it’s still snappy enough that it remains a relatively good investment in 2026. It offers a few technical upgrades over the entry-level iPad, too, which should allow it to last longer. It features support for Apple Intelligence, plus compatibility with Apple’s latest Magic Keyboard, which has a larger trackpad and an extra row of function keys. In short, the M3 Air remains a credible laptop replacement.。PDF资料是该领域的重要参考
Дарья Устьянцева (редактор отдела «Мир»)