A heavy-rimmed rotating wheel used to minimize variations in angular velocity and revolutions per minute, as in a machine subject to fluctuation in drive and load. 飞轮一种用于减小拐弯时速度变化和每分钟转数的粗边转轮，如减小机械在运行或装载中的变化
A gyroscope consisting of a rotating wheel in a rigid case. 回转轮一种由装在固定的盒中的一个转轮组成的回转仪
