Mandarin:
化学平衡 (huà xué píng héng)

Explanation in English Language (EN):
Chemical equilibrium is a dynamic state in a reversible chemical reaction where the rates of the forward and reverse reactions are equal. At equilibrium, th 1 ere is no net change in the concentrations of reactants and products. This principle is important in polymerization to understand the extent to which a polymerization reaction will proceed and the final composition of the polymer mixture at equilibrium. It helps determine the optimal conditions for achieving the desired molecular weight and yield in a polymerization.

Explanation in Mandarin (ZH):
化学平衡是可逆化学反应中的一种动态状态，其中正向反应速率和逆向反应速率相等。在平衡状态下，反应物和产物浓度没有净变化。该原理在聚合中很重要，可以理解聚合反应进行的程度以及平衡时聚合物混合物的最终组成。它有助于确定在聚合中实现所需分子量和产量的最佳条件。

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International Phonetic Alphabet (IPA)
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