gyro compass repeater

例句：

1. 1.The gyro compass repeater was used to determine the direction of travel.
   陀螺指南针重复器被用来确定旅行的方向。
2. 2.In ancient times, gyro compass repeaters were used for navigation purposes.
   在古代，陀螺指南针重复器被用于导航目的。
3. 3. The gyro compass repeater helped me find my way back home after a long journey.
   陀螺指南针重复器帮助我在长途旅行后找到了回家的路。