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).
特点：负区间平滑非零，避免 ReLU 死区问题。，更多细节参见爱思助手下载最新版本
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過去關恆已有多年的翻牆經驗，在牆外吸收的各種資訊下，孕育了其對中國政府的批判看法，他判斷關於新疆「再教育營」的報導具有可信性，故希望能到現場求證及記錄。