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The same chemical composition could result in the same phase with similar properties.
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
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材料概论
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Infrared spectrosocopy exploits the fact that molecules absorb specific frequencies that are characteristic of their structure. These absorptions are resonant frequencies, i.e. the frequency of the absorbed radiation matched the transition energy of the b
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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 of solid specimens.