词典释义：
聚合物链
The chemical reaction which results in a polymer chain being broken up into monomer units.
解聚一种导致聚合物链断裂生成单体单元的化学反应.
The length of the polymer chain is specified by the number of repeat units in the chain. this is called the degree of polymerization .
聚合物链的长度可以用链中重复单元数来表示，叫做聚合度。
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