| 释义 |
tau AHD[tou, tô] D.J.[taʊ, tɔː]K.K.[taʊ, tɔ]n.（名词）- The 19th letter of the Greek alphabet. See table at alphabet T，τ：希腊字母表中的第十九个字母 参见 alphabet
- An elementary particle of the lepton family, having a mass about 3,490 times that of the electron, a negative electric charge, and a mean lifetime of 3×10-13 seconds. See table at subatomic particle τ介子：一种轻子族群中的基本粒子，其质量约为电子的3,490倍，带有一个负电荷，平均寿命为3×10-13秒 参见 subatomic particle
- Greek 希腊语
- [of Phoenician origin] ; akin to Hebrew tāw [tav] [可能源于腓尼基语] ；类似于 希伯来语 tāw [希伯来语的第二十三个字母]
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