gyrosextant

例句：

1. 1. The gyroscope is used to measure the rotation of a vehicle's wheels.
   陀螺仪用于测量车辆车轮的旋转。
2. 2. The compass is an ancient navigational tool that uses the Earth's magnetic field to point towards the North Pole.
   指南针是一种古老的导航工具，它利用地球磁场来指向北极。
3. 3. The magnetometer is used to detect and measure magnetic fields in various applications such as medical imaging and geophysics.
   磁强计用于检测和测量各种应用中的磁场，如医学成像和地球物理学。