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本文描述了一种电子枪,它能产生在交叉电磁场中运动的带状电子注。将绝热原理运用到均匀不变交叉场的运动中去,可以推得枪的特性。
This article describes an electron gun that produces banded electron beams that move in crossed electromagnetic fields. Adopting the principle of adiabaticity to the movement of a uniform cross field, the characteristics of the gun can be deduced.