| 释义 |
harmonic motionn.（名词）- A periodic vibration, as of a violin string, in which the motions are symmetrical about a region of equilibrium. Such a vibration may have only one frequency and amplitude or may be a combination of two or more components. Also called simple harmonic motion 谐运动：如小提琴弦的振动等只有一个频率和振幅或是两个或更多成分的组合的、在平衡区域内是对称的间歇的振动 也作 simple harmonic motion
|