详细解释:【计】 边界层
【化】 边界层
英语解释：
名词 boundary layer:
the layer of slower flow of a fluid past a surface例句：
A separation in the boundary layer of fluid about a moving streamlined body, such as the wing of an airplane, causing a breakdown in the smooth flow of fluid and resulting in turbulence.气流分离移动的流线型的躯体上流体边界层上的分隔物，如飞机的机翼，在平滑的流体流动中会引起故障和湍流