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ka·on AHD[kāʹŏn'] D.J.[ˈkeɪˌɒn]K.K.[ˈkeˌɑn]n.（名词）abbr. K【缩写】- An unstable meson produced either in an electrically charged form with a mass 966 times that of an electron or in a neutral form with a mass 974 times that of an electron as a result of a high-energy particle collision. Also called K-meson See table at subatomic particle K介子：一种不稳定的介子，由于高能粒子碰撞，在带电结构中产生，其质量为一个电子的966倍；或在不带电的结构中产生，其质量为一个电子的974倍 也作 K-meson 参见 subatomic particle
- ka [pronunciation of the letter] k ka [字母] K的发音
- -on 1-on1
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