friction layer

• 摩擦层,地表边界层

friction layer的用法和样例：

例句

1. The distributions of the field variations are given.The new friction layer theory is applied and nonsteady and steady deformation are studied.
   应用新的摩擦层理论，研究了非稳态和稳态变形，实现了工件成形过程的计算机动态图形显示。