velocity pickup

例句：

1. 1. The car's speed pickup is a crucial part of the safety system.
   汽车的速度拾取器是安全系统的关键部分。
2. 2.The engineer used a velocity pickup to measure the speed of the moving objects.
   工程师使用速度拾取器来测量移动物体的速度。
3. 3.The team successfully picked up the signal from the satellite using their velocity pickup.
   团队成功地使用他们的速度拾取器从卫星上接收到了信号。