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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).
，详情可参考Line官方版本下载
for (int i = 1; i < n; i++) {，更多细节参见旺商聊官方下载
建立完善的安全管理体系，定期进行安全评估和渗透测试至关重要。。safew官方下载对此有专业解读