This paper introduces the principles of field ion emission at first, and then explains the construction and work principles of FID.
本文先介绍场离子发射的原理，然后介绍FID的结构及工作原理。
This paper introduces the principles of field ion emission at first, and then explains the construction and work principles of FID.
本文先介绍场离子发射的原理，然后介绍FID的结构及工作原理。
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