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单词
kelvin
释义
kelvin
Encyclopedia
工学
〔SI基本单位〕
释
kelvin
开尔文
国际单位制(SI)中的热力学温度单位。符号K。当玻耳兹曼常数k以单位J·K-1即kg·m2·s-2·K-1表示时,将其固定数值取为1.380649×10-23来定义开尔文,其中千克、米和秒分别用h、c和ΔνCs来定义。
Physics
kelvin
K
开[尔文]
Astronomy
kelvin
缩写:K。开
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