| 释义 |
bottom quark bottom quark n.Abbr. b（名词）缩写 bA quark with a charge of &9{-}&9{!/3} and a mass about 10,000 times that of the electron.Also called beauty quark See table at subatomic particle 基本夸克：一夸克，带有&9{-}&9{!/3}的电荷，质量约为电子质量的10,000倍也作 beauty quark参见 subatomic particle |