axial velocity

例句：

1. 1. The train's axialvelocity is measured in kilometers per hour.
   火车的轴向速度以每小时公里为单位测量。
2. 2. The aircraft's axial velocityis crucial for its stability.
   飞机的轴向速度对其稳定性至关重要。
3. 3. Theaxial velocity of theplanets is determined by theirdistance from the sun.
   行星的轴向速度由它们离太阳的距离决定。