环形电子束 meaning in Chinese

annular beam

Analysis of intense relativistic electron beams transportation in low magnetic field
强流相对论环形电子束在低磁场中传输分析
Self - modulation of intense relativistic annular electron beam in equipotential resonant cavity
强流相对论环形电子束自调制振荡研究
The transportation of the electron beam in the waveguide guided by low magnetic field is studied and some valuable results are obtained
对环形电子束在低磁场中的传输进行了粒子模拟和理论分析，得出了一些有意义的结论。