单词	isospin
释义	isospin noun iso·​spin ˈī-sə-ˌspin  : a quantum characteristic of a group of closely related subatomic particles (such as a proton and a neutron) handled mathematically like ordinary spin with the possible orientations in a hypothetical space specifying the number of particles of differing electric charge comprising the group called also isotopic spin Example Sentences Recent Examples on the Web In theory, the amplitudes should obey certain relations that apply to the Standard Model, like isospin symmetry, but — as the LHCb collaboration has concluded — measurements show our observations to be inconsistent with those expectations. Ethan Siegel, Forbes, 12 Mar. 2021 Word History First Known Use 1961, in the meaning defined above
随便看	substandard substantia nigra substantiable substantiae nigrae substantial substantial damages substantial form substantialia substantialise substantialised substantialises substantialising substantialism substantialisms substantialist substantialists substantialities substantiality substantialize substantialized substantializes substantializing substantially substantialness substantialnesses

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