Structurally, most polymeric materials are crystalline, but some consist of mixture of crystalline and noncrystalline regions._精华吧

Structurally, most polymeric materials are crystalline, but some consist of mixture of crystalline and noncrystalline regions.

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Structurally, most polymeric materials are crystalline, but some consist of mixture of crystalline and noncrystalline regions.

A.正确

B.错误

正确答案：错误

Tag：材料概论时间：2022-01-18 21:17:29

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