The same chemical composition could result in the same phase with similar properties.
A.正确
B.错误
正确答案：错误
The same chemical composition could result in the same phase with similar properties.
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The scanning electron microscopy（SEM）uses a focused beam of high-energy electrons to generate a variety of signals at the inside
Infrared spectrosocopy exploits the fact that molecules absorb specific frequencies that are characteristic of their structure.
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