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 |