| 单词 | sigma hyperon |
| 释义 | sigma hyperon【化】 σ超子 sigma hyperon sigma hyperon n.（名词）Any of three unstable subatomic particles in the baryon family, having a mass of 2,328 to 2,343 times that of the electron and a positive, neutral, or negative elecric charge.See table at subatomic particle Σ超子：重子家族中三种不稳定的亚原子微粒中的任何一种，质量为电子的2,328到2,343倍，带正电、负电或不带电参见 subatomic particle |
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