结构常数是定义在李群上的一组常数。它们决定了该李群的李代数的元素之间的李括号。反过来，给定一组满足某些性质的常数，就一定存在以它们为结构常数的局部李群。
双语例句原声例句
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该频率取决于精细结构常数。
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此外，精细结构常数将表现得比费曼想象的更奇幻得多。
And the fine-structure constant will have shown itself to be more mysterious than even Feynman conceived.
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他所指的数字依据字母阿尔法和一个更加冗长的精细结构常数，该数的确神奇。
The number he was referring to, which goes by the symbol alpha and the rather more long-winded name of the fine-structure constant, is magic indeed.
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And, we knew that if we know the crystal structure we can get the Madelung constant, not a problem.
我们都知道只要有了晶体结构,就能知道马德隆常数。
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- 来自原声例句