| 单词 | fermion |
| 释义 | fermi /fûrˈmi/ (physics)nounA 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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