beam crossover

英 [biːm ˈkrɒsəʊvə(r)] 美 [biːm ˈkrɔːsoʊvər]

电子束相交区的最小截面;射束相交

电力



双语例句

  1. A theory of wide beam curved optical axes for magnetic immersed lenses has been developed. The electronic optics properties of the magnetic lenses systems which involve nonzero initial canonical angular momentum and have no crossover were theoretically studied.
    采用曲轴坐标系统,导出了磁浸没透镜的宽束曲光轴理论,研究了初始正则角动量矩不为零的无束腰磁透镜系统的电子光学性质;