Surface modification of materials by means of high-energy laser beam, electronbeam and ion beam technology are realized through changing composition and structure of the material surface.
激光束、电子束、离子束三种高能束流技术对材料表面改性是通过改变材料表面的成分或结构实现的。
2
The electron microscope uses a beam of electrons to produce images at high magnifications.
电子显微镜利用一束电子产生高倍放大的影像。
《柯林斯英汉双解大词典》
3
So rather than calling this an electronbeam, this was called a cathode ray.