Shortcut Pre-calculation: For the most commonly used speed profiles, the travel costs (time/distance) for shortcuts between border points within each cluster are pre-calculated and stored. (Each border point effectively has an "entry" and "exit" aspect for directed travel).
Critical but Fragile Infrastructure，推荐阅读爱思助手下载最新版本获取更多信息
以非法手段收集的证据不得作为处罚的根据。。safew官方版本下载是该领域的重要参考
When do I need a split keyboard?