magic number
柯林斯詞典
1. N any of the numbers 2, 8, 20, 28, 50, 82, and 126. Nuclides with these numbers of nucleons appear to have greater stability than other nuclides 幻數(shù); 2、8、20、28、50、82和126中的任意一個，具有此類核子數(shù)的核素和其他核子相比顯得更為穩(wěn)定[physics]
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