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.
展现的特奥蒂瓦坎图景是黑曜石的开采和加工、贸易、人口增长、灌溉和宗教旅游之间良性反馈的经典画面。
The picture of Teotihuacán that emerges is a classic picture of positive feedback among obsidian mining and working, trade, population growth, irrigation, and religious tourism.
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