“eta meson”的概念、定义、翻译、参考文献-科学参考

单词	eta meson
释义	eta meson [`ād·ǝ `mā´sän] ^{PARTICLE PHYSICS} Neutral pseudoscalar meson having zero isotopic spin and hypercharge, positive charge parity and G parity, and a mass of about 549 MeV; decays via electromagnetic interactions.
随便看	retrograde metamorphism retrograde motion retrograde orbit retrograde reservoir retrograde wave retrograding shoreline retrogression retrogressive metamorphism retrolental fibroplasia retroposon retroreflection retroreflector retrorocket retrorse retrostalsis retrosynthetic analysis retroussage retroversion retrovirus retry retting return return address return bead return bend

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