如果我们关注这些领域，这些正反馈循环就会巩固孩子的成功。
If we attend to these areas, a child's success may reinforce itself with positive feedback loops.
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.
正反馈循环——在行为和反映之间一条为自我增加而非自我抑止的一条封闭回路。
Positive feedback loop----A closed path of action and reaction that is self-reinforcing rather than self-limiting.
不过有一个正反馈循环倒是确定的：融化的北极将导致更多化石能源的采掘，而这又意味着温室气体的排放。
One feedback loop that does seems certain, though, is that the melting Arctic will enable the extraction of more fossil fuel, with all that that implies for greenhouse-gas emissions.
不过有一个正反馈循环倒是确定的：融化的北极将导致更多化石能源的采掘，而这又意味着温室气体的排放。
One feedback loop that does seems certain, though, is that the melting Arctic will enable the extraction of more fossil fuel, with all that that implies for greenhouse-gas emissions.
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