complex sound velocity

例句：

1. 1.The sound of the waves is complex,with multiple frequencies and wavelengths.
   海浪的声音是复杂的，有多个频率和波长。
2. 2.The study of acoustics involves understanding thecomplex sound waves that propagate throughspace.
   声学研究涉及理解在空间中传播的复杂声波。
3. 3. The complexityof the problem requires a multidisciplinary approach to solve it effectively.
   问题的复杂性要求采取多学科的方法来有效解决。