The term processing refers to how materials are made from naturally occurring or man-made chemical.
A.正确
B.错误
正确答案：错误
The term processing refers to how materials are made from naturally occurring or man-made chemical.
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Many of the common characteristics of material within a category araise from the lowest level of the structure, the nature of th
Atomic level structure involves electrons within the individual atoms and interactions with their nuclei.
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