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单词 tau
释义 tau
I. \ˈtau̇, ˈtȯ\ noun
(-s)
Etymology: Greek, of Semitic origin; akin to Hebrew tāw sign, cross, taw (letter)
1.
 a. : the 19th letter of the Greek alphabet — symbol T or τ; see alphabet table
 b. : taw IV
2. : a T-shaped mark or object (as a St. Anthony's cross, a pastoral staff, or an ankh)
II. noun
1. also tau particle : a short-lived elementary particle of the lepton family that exists in positive and negative charge states and has a mass about 3500 times heavier than an electron
2. : a protein that binds to and regulates the assembly and stability of neuronal microtubules and that is found in an abnormal form as the major component of neurofibrillary tangles
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更新时间:2025/1/11 12:26:13