sonic path distance

例句：

1. 1. The sonic path distance betweenthe two cities is about 50kilometers.
   两座城市之间的声波路径距离大约是50公里。
2. 2. The sonic path distance measurement iscrucial for understanding the propagation of sound waves.
   声波传播距离的测量对于理解声波的传播至关重要。
3. 3.In this experiment, we measured the sonic path distance to determine the speed ofsound in different materials.
   在这个实验中，我们测量了声波路径距离以确定不同材料中声速的速度。