acoustic velocity correlator

例句：

1. 1.The acoustic velocity correlator is used to measure the speed of sound in different materials.
   声速相关器用于测量不同材料中声音的传播速度。
2. 2. In acoustics, the acoustic velocity correlator is used to calculate the speed of sound in a medium.
   在声学中，声速相关器用于计算介质中声音的传播速度。
3. 3.The acoustic velocity correlator was developed to improve the accuracy of measurements in acoustics.
   声速相关器的开发旨在提高声学测量的准确性。