Companies are even reviving ideas of storing wind-generated energy using compressed air or spinning flywheels .
一些企业甚至正在再次提出想法用压缩空气或旋转飞轮储存风力生产的能源。
Several actuators can be used to control the attitude of satellites , spaceships and space stations , such as thrusters , flywheels , and control moment gyroscopes .