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动态平衡

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动态平衡发生于两个逆向但同步的过程当中。首先见于化学,但后来在生态学经济学而至政治学等均有所应用。

化学上的解释

在一个可逆的化学反应中,当正向反应及逆向反应的反应速率相等时就会达致动态平衡。在这个状态下不论生成物及反应物的浓度均没有改变,动态一词意指两个反应仍然在持续进行而非停滞,但刚好两者的速率相等,致使各自的浓度均没有改变,达致平衡状态。

生态学上的解释

出生率死亡率均为等值的情况下,某物种的种群数目维持不变,就是一种动态平衡。

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动态平衡
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