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单词
chi particle
释义
chi particle
AHD
[kī, kē]
D.J.
[kaɪ, kiː]
K.K.
[kaɪ, ki]
n.
(名词)
An electrically neutral meson having a mass 6,687 times that of the electron and a mean lifetime of approximately 1.5 × 10
-20
seconds.
χ粒子:中性电介子,质量为电子的6687倍,平均寿命约1.5×10
-12
秒
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更新时间:2026/2/22 8:22:37