boundary wave

例句：

1. 1.The boundary wave is a phenomenon that occurs when two fluids meet at a solid boundary.
   边界波是一种现象，当两种流体在固体边界相遇时会发生。
2. 2. In the study of electromagnetic waves, the boundary wave is an important concept to understand.
   在电磁波研究中，边界波是一个重要概念需要理解。
3. 3.The boundary wave can be used to model the propagation of sound waves through materials.
   边界波可以用来模拟声波通过材料的传播。