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大家在搜： linear velocity angular velocity centripetal acceleration centripetal force arc length resultant velocity horizontal direction Gravitational acceleration Instantaneous velocity average velocity

radical sign

美 [ˈrædɪkl saɪn]英 [ˈrædɪkl saɪn]

网络根号;激进的符号

radical sign

radical sign

英英释义

noun

a sign indicating the extraction of a root

数据来源：WordNet

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reaction force Resistance arm real image relative concept Rydberg constant radiation source retrocorrelation regular tetrahedron regional geography recombination resultant velocity Rhetorical Mode radical expression reflection of rays Romance Languages Region Lazio Religious tolerance Robert Hooke Real Root River Thames