gyration radius

例句：

1. 1. The satellite's gyration radius is about 200 kilometers.
   这颗卫星的旋转半径大约是200公里。
2. 2.The gyroscope measures the rotation of the earth and its gyration radius.
   陀螺仪测量地球的旋转和它的旋转半径。
3. 3.The gyration radius is crucial for understanding the motion of the planets.
   旋转半径对于理解行星的运动至关重要。