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:
"You could see this was something game-changing for Emperor penguins. Suddenly you're thinking, well, have we got time to save them?" he says.
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Militarily, Pakistan has the upper hand by a long mile. It is a significant military power with hundreds of tanks and aircraft, and advanced defence technology.
但必须强调的是，中国游艇产业的瓶颈，并不在于“造不造得出来”。以当下中国制造的能力而言，大飞机能够自主研制，航母可以下水，豪华邮轮已经实现交付，造一艘技术复杂度远低于上述装备的游艇，并不存在“技术不可达”的问题。游艇并非中国制造的能力短板。