course and bearing indicator

例句：

1. 1. Thecourse and bearing indicator on the map helpsus navigate through the city.
   地图上的课程和方向指示器帮助我们在城市中导航。
2. 2. The new car has a course andbearing indicator that makes it easy to read.
   这款新车有一个易于阅读的课程和方向指示器。
3. 3. The engineer used the course andbearing indicator to determine the best route forthe construction project.
   工程师使用课程和方向指示器来确定建设项目的最佳路线。