n.皮塔三明治；陀螺仪；回转仪(=gyroscope)
The supporting case is the outer enclosure of the gyro component. 支承壳体是陀螺组件的外壳。
The high point of this employment was starting work on the still-ongoing Relativity Gyro Experiment. 此项工作的重要内容便是开始现在仍在进行的“相关性回转仪实验”。
