单词 | high-energy electron diffraction |
释义 | high-energy electron diffraction [`hī ´en·ǝr·jē i`lek´trȧn di´frak·shǝn] PHYSICS The diffraction of electrons with high energies, usually in the range of 30,000ú70,000 electronvolts, mainly to study the structure of atoms and molecules in gases and liquids. Abbreviated HEED. |
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