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单词 fermions
释义

fermi /fûrˈmi/ (physics)

noun

A unit equal to 10−5 angstrom or 10−15 metres (also femˈtometre)

ORIGIN: Enrico Fermi (1901–54), Italian physicist

ferˈmion noun

One of a group of subatomic particles, such as protons, electrons and neutrons, having half-integral spin and obeying the exclusion principle

ferˈmium noun

An artificially produced radioactive transuranic metallic element (symbol Fm; atomic no 100)

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更新时间:2024/11/15 3:33:43