1)small decorative article,小摆件2)small decorative item,小摆件3)small ornament,小摆件4)bibelot,小摆设5)approximation for small angle,小摆角近似6)small vibration story,小摆幅故事事件
用法和例句
To the approximation for small angle,the first-order analytical expression of the angular displacement and its rate,and the second-order analytical expression of the length a.