超导电磁透镜 superconducting electromagnetic lens

延迟电磁透镜 delay lens

电磁透镜系统 electromagnetic lens system

磁电子透镜 magnetic electron lens ; lens

静磁电子透镜 magnetostatic electron lens

电磁电子透镜 electromagnetic electron lens ; electron lens ; electromagnetic

电磁放大透镜 [电磁] electromagnetic amplifying lens ; EAL

静电-磁浸没透镜 Electrostatic immersion magnetic lenses