表层厚度 meaning in English

skin thickness

If the fluid is agitated, the thickness of the surface layer become reduced .
如果液体被搅拌，则表层厚度将减小。
With the enhancement of soil development degree , the difference in each physical and chemical characters are larger
随发育程度增强，表层厚度增加，各理化性质在剖面中差异增大。
Using finite element methods to carry on the numerical simulation of complex plywood , from which the impact on its inherent characteristic of change in such parameters as thickness of top layer and inserted layer and the elastic modulus and so on are analyzed
利用有限元法对复合层板进行了数值模拟，分析了复合层板表层厚度和夹芯层的厚度、弹性模量等参数的改变对其固有特性的影响。