In many important areas, from the obsidian industry to religious tourism, Teotihuacán's success and prosperity typified the classic positive feedback cycle.
在许多重要的领域，从黑曜石产业到宗教旅游，特奥蒂瓦坎的成功和繁荣是典型的正反馈循环。
In many important areas, from the obsidian industry to religious tourism, Teotihuacán's success and prosperity typified the classic positive feedback cycle.
在许多重要的领域，从黑曜石产业到宗教旅游，特奥蒂瓦坎的成功和繁荣是典型的正反馈循环。
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