boundary wavelength

例句：

1. 1.The boundary wavelength of the material is critical for its performance.
   材料的边缘波长对其性能至关重要。
2. 2. The measurement of this boundary wavelength is essential for understanding the material's behavior.
   测量这个边界波长对于理解材料的行为的至关重要。
3. 3. In the study, we focused on the boundary wavelength between two materials.
   在这项研究中，我们专注于两种材料之间的边界波长。