| 词汇 | D particle |
| 类别 | 英译汉、汉译英、英汉互译翻译词典 |
| 释义 | D particle D particle n.（名词）Either of two subatomic particles in the meson family, one neutral and one positively charged, having masses 3,649 and 3,658 times that of the electron and average lifetimes of 4.2 × 10&9{-13} and 1.1 × 10 &9{-12} seconds, respectively. D粒子：介子类两种次原子粒中任一种，一种为中性，另一种带正电，质量为电子的3,649和3,658倍，平均寿命分别为4.2×10&9{-13}和1.1×10 &9{-12}秒 |
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