聚合物能结晶的物理学要求和几何形状的要求分别有哪些?
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List the requirements of geometrical regularity. (answer in English)
List the requirements of chemical regularity. (answer in English)
写出共聚物的几种类型。在这些类型中,你认为哪几种具有几何规则性?
List two examples of polymers with automatic regularity. Why these polymers haveautomatic regularity? (answer in English)