牛顿力学的时间可逆性与宏观热力学过程不可逆性的矛盾，很长时间以来一直是物理学和哲学中争论最多的问题之一。

The contradiction between temporal reversibility of Newton mechanics and irreversibility of thermodynamic process has long been one of the most frequently debated problems in physics and philosophy.

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对于仅有正反馈的系统，我们发现其产生可逆性与不可逆性双稳与外部激励作用的方式有着密切的关系。

For the system with only positive feedback, we find there is a kind of relationship between the bistability and the effect of the stimulus.

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