| 单词 | scanning electron microscope |
| 释义 | scanning electron microscope【电】 扫描电子显微镜 scanning electron microscope scan.ning electron microscope AHD: [sk²n“¹ng] D.J. [6sk#n!0]K.K. [6sk#n!0]n.Abbr. SEM（名词）缩写 SEMAn electron microscope that forms a three-dimensional image on a cathode-ray tube by moving a beam of focused electrons across an object and reading both the electrons scattered by the object and the secondary electrons produced by it.扫描电子显微镜：一种电子显微镜，通过移动电子光束掠过物体表面并探测到物体放出的电子和亚电子，从而在阴极射线管上形成三维图像 |
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