为此，人们采用各种类型的激光驱动光电阴极、一些热阴极和场致发射阴极作为电子源。

For this purpose, several kinds of laser-driven photocathodes, and some thermionic cathodes and field emission cathodes are applied.

youdao

为此，人们采用各种类型的激光驱动光电阴极、一些热阴极和场致发射阴极作为电子源。

For this purpose, several kinds of laser-driven photocathodes, and some thermionic cathodes and field emission cathodes are applied.

youdao