Meanwhile during the process of dynamical stress propagation, its amplitude decays. So the aftershock occurrence of the Tangshan earthquake is a negative feedback process.
而动态应力在传播过程中衰减。因此，余震的发生是一个负反馈过程。
Often times when I get negative feedback, I would talk it over with some of my good friends and process the feedback with them.
当我收到负面的反馈时，我就经常和我最好的朋友们讨论这个问题。
As gas pools, it turns into stars, whose outflows and explosions push material back out into intergalactic space-a process of negative feedback.
当气体集中形成恒星，所产生的喷流与爆炸会将物质向外推回星系际空间，这是一种负向的反馈机制。
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