| 释义 |
qua·ter·ni·on AHD[kwə-tûrʹnē-ən] D.J.[kwəˈtɜːniːən]K.K.[kwəˈtɝniən]n.（名词）- A set of four persons or items.四个一组：四个人或项目为一组
- Mathematics An expression that is the sum of a real number and a vector and that contains four terms, one real and three imaginary.【数学】 四元数：一实数和一矢量的和的表达式，有四个项，一个为实数项，另外三个为虚数项
- Middle English quaternioun 中古英语 quaternioun
- from Late Latin quaterniō quaterniōn- 源自 后期拉丁语 quaterniō quaterniōn-
- from Latin quaternī [by fours] 源自 拉丁语 quaternī [分成四部分]
- from quater [four times] * see k wetwer- 源自 quater [四倍] * 参见 k wetwer-
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