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词汇 B-s particle
释义 B-s particle AHD[bēʹĕsʹ] D.J.[ˈbiːˈes]K.K.[ˈbiˈɛs]n.(名词)
  1. An electrically neutral meson having a mass 10,507 times that of the electron and a mean lifetime of approximately 1.6 × 10-12 seconds. B-s粒子:中性电介子,质量为电子的10,507倍,平均寿命约为1.6×10-12
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