roughness-width cutoff

例句：

1. 1. The roughness of the surface is a critical factor in determining the performance of the material.
   表面粗糙度是决定材料性能的关键因素。
2. 2. The width cutoff of the tunnel has been reduced to improve traffic flow.
   隧道的宽度截断已被减少以改善交通流量。
3. 3. The engineers carefully considered the roughness-width cutoff of the new design to ensure its durability.
   工程师们仔细考虑了新设计粗糙度宽度截断以确保其耐用性。