fine-structure constant
/ˈfaɪnˈstrʌktʃə(r)/noun
- Physics a fundamental and dimensionless physical constant, equal to approximately 1/137, which occurs in expressions describing the fine structure of atomic spectra【物理】精细结构常数。
| 单词 | fine-structure constant |
| 释义 | fine-structure constant/ˈfaɪnˈstrʌktʃə(r)/noun
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