劲度系数 Traditional 勁度係數 jìn dù xì shù 🔊 coefficient of restitution (in Hooke's law) + Review this word Meanings jìn dù xì shù 勁度係數 coefficient of restitution (in Hooke's law) Its characters 劲jìnstrength度dùto passHSK 5系xìto connectHSK 5数shùnumber; figureHSK 4