单词	acoustic microimaging
释义	acoustic microimaging noun : a technique for seeing microscopic details of the internal structure of objects by using high-frequency sound waves Acoustic microimaging has been used for nearly 25 years to nondestructively image and analyze internal features, including defects, in a wide variety of materials. Thomas E. Adams, American Laboratory, November 1997 Word History First Known Use 1995, in the meaning defined above
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