If the A* calculation for a shortcut (in Step 3) finds it's now impassable, or if its actual detailed cost is significantly different (e.g., 20%) from the pre-calculated shortcut value:
市民小心翼翼地走在冰面上，冰面上坑坑洼洼净是冰碴儿。
。雷电模拟器官方版本下载是该领域的重要参考
Source: Computational Materials Science, Volume 266
"The thing with Peaky is that people do tend to watch it on their own or in their house but this is a chance for people to watch it together," Knight added of the movie experience.