velocity parallax

例句：

1. 1. The car's acceleration is the difference in velocity between the car and the stationary object.
   汽车的加速度是汽车和静止物体之间速度的差异。
2. 2.The project team needs to calculate the velocity parallax for their simulation model.
   项目团队需要计算他们的模拟模型的速度相对运动。
3. 3.The astronomers observed that the planets were moving at different velocities due to their orbital differences.
   天文学家观察到，由于行星轨道的不同，这些行星以不同的速度移动。