thermionics
A surname originating as an occupation for a spice dealer. / A city in Kandiyohi County, Minnesota, United States, named after landowner John M. Spicer.
The science dealing with thermionic emission.
unreasonableness
(UK, dated, of youth) A status of having no employment and not in any educational or training programme.
研究グループは先月、熱電子放出の科学に関する包括的な総説を発表し、電子放出材料の最近の進歩を強調しました。
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