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词汇
positronium
释义
pos·i·tro·ni·um
AHD
[pŏz'ĭ-trōʹnē-əm]
D.J.
[ˌpɒzɪˈtrəʊniːəm]
K.K.
[ˌpɑzɪˈtroniəm]
n.
(名词)
A short-lived association of an electron and a positron bound together in a configuration resembling the hydrogen atom.
电子偶素,正电子素:电子与正电子的短暂结合物,两者的结合物与氢原子的结构十分相似
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更新时间:2025/4/26 9:55:34