velocity measuring chronograph

例句：

1. 1.The velocimetry measuring chronograph is a tool that measures the speed of objects.
   速度测量计时码表是一种测量物体速度的工具。
2. 2. The engineer used the velocimetry measuring chronograph to measure the speed of the car during testing.
   工程师使用速度测量计时码表在测试中测量汽车的速度。
3. 3. The velocimetry measuring chronograph was used to record the race results accurately.
   速度测量计时码表被用来准确记录比赛结果。