The results indicate that fuel temperature changing more slowly than nuclear power makes reactivity negative feedback not to restrain power changing, and then power concussive progress comes to being.

结果表明：燃料温度变化相对于功率的变化缓慢且滞后，燃料温度反应性负反馈不能及时抑制功率的变化是形成系统参量产生衰减振荡的主要原因。

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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。

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So the purpose of applying oxygen sensors to keep feedback is to fulfill electronic fuel injection and solve the contradiction among power, oil-consumption, and exhaust pollution.

因此应用氧传感器进行反馈的目的在于实现电喷并保证三元催化反应器的净化效果，解决功率、油耗和排气污染之间的矛盾。

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Social media based feedback helped fuel some of their most promising current product development efforts.

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The positive feedback loops, combined with peer accountability, are like rocket fuel for those trying to lose weight.

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