Everything is in a pair of opposite forces and in a state of equilibrium.

任何事物都处在一对相反作用力之下，且处于平衡状态。

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The tendency for a system by resisting change to remain in a state of equilibrium.

生态系统倾向以抗拒外来变化为原则而维持在一个平衡状态。

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Researchers found that in a healthy brain all the regions exist in a state of equilibrium.

研究者们发现，健康大脑所有区域都保持一种平衡状态。

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So that's a big help. And equilibrium happens when there isn't any possible change of state that would satisfy this.

这个非常方便，当所有的变化,都无法满足这个公式的时候,系统就达到了平衡。

麻省理工公开课 - 热力学与动力学课程节选

If I look at different points in my container during that path, I'm going to have to use a different value of pressure or different value of temperature That's not an equilibrium state, and that process turns out then to be an irreversible process.

如果我要研究在路径中容器里的,不同的点，我就得在容器里不同的点上使用,不同的压强值,或不同的温度值,实际上这不是个平衡态，这个过程是,不可逆过程。

麻省理工公开课 - 热力学与动力学课程节选

But at the end of this tough road, state budgets, debt burdens, economy and currency will be back to a sustainable equilibrium.

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