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ve·loc·i·ty AHD[və-lŏsʹĭ-tē] D.J.[vəˈlɒsɪtiː]K.K.[vəˈlɑsɪti]n.（名词）pl. ve.loc.i.ties 【复数】- Abbr. vel.Rapidity or speed of motion; swiftness.缩写 vel.迅速，快速：运动的快速或速度；迅速
- Abbr. VPhysics A vector quantity whose magnitude is a body's speed and whose direction is the body's direction of motion.缩写 V【物理学】 速度：一种向量，其量值为物体的速率，其方向为物体运动的方向
- The rate of speed of action or occurrence.速率：行动或发生的速率
- The rate at which money changes hands in an economy.周转率：在某一经济制度中金钱易手的速率
- Middle English velocite 中古英语 velocite
- from Old French 源自 古法语
- from Latin vēlōcitās 源自 拉丁语 vēlōcitās
- from vēlōx vēlōc- [fast] * see weg- 源自 vēlōx vēlōc- [快速的] * 参见 weg-
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