= mirror nuclide n.
| 单词 | θ79582 | 
| 释义 | the world > matter > physics > atomic nucleus > radioactive isotope > radioactive nuclide > 			[noun]		 > mirroring another (2)		 mirror nucleus1947 = mirror nuclide n. mirror nuclide1955 either of two nuclides of the same atomic mass, each having as many protons as the other has neutrons. | 
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