These results of this paper may be of use in designing focusing or deflection systems of electronray devices, electron-optical instruments and high energy accelerators.
这些结果可用于电子束器件、电子光学仪器和高能加速器中的聚焦或偏转或聚焦兼偏转元件的设计。
2
To the electron, the corresponding system is the positron, which was observed after the prediction in cosmic ray experiments by Anderson in 1932.
对电子来说，与其相对应的是正电子，后者被安德森于1932年在宇宙射线实验中发现。
3
So rather than calling this an electron beam, this was called a cathode ray.