英语词汇“fine-structure constant”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

单词	fine-structure constant
释义	fine-structure constant \¦ ̷ ̷ ˈ ̷ ̷ ̷ ̷ -\ noun : a dimensionless constant that is a measure of the strength of electromagnetic interactions of subatomic particles and that has an approximate value of 0.0073 or 1/137 — symbol α
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