So the boundary-layer flow over flow-passage components in the silt-laden flow is investigated by association of the two-phase flow theory and boundary-layer theory , the latter being closely related with the phenomenon of hydraulic wear and tear .
于是把两相流动同与磨损问题紧密相关的边界层理论应结合起来，研究了含沙水流绕流过流部件时边界层内的流动。
参考来源 - 固液两相流动边界层的数学模型及流场计算A lift increasing scheme by varying leading edge of the fin stabilizer is presented according to the boundary-layer theorem which is deducted form the hydrodynamics Newton momentum theorem.
依据流体力学中由牛顿经典力学动量定理推导而来的边界层定理,提出了改变减摇鳍前缘的增升方案。
参考来源 - 船舶变形减摇鳍的升力机理及建模研究·2,447,543篇论文数据，部分数据来源于NoteExpress
N the layer of fluid closest to the surface of a solid past which the fluid flows: it has a lower rate of flow than the bulk of the fluid because of its adhesion to the solid 附面层; 与固体表面最接近的流体层：因对固体面的附着，其流动速度低于大量流体流动速度
The first proposals for describing the boundary layer marking the beginning of the Anthropocene are already being discussed.
描述边界层的最初的提议标志着人类世的争论的开始。
However, when the airflow is turbulent, the boundary layer sticks to the ball for longer.
然而，当气流为湍流时，边界层维持时间较长。
Most of this drag is a result of the chaotic and unpredictable nature of the boundary layer - the layer immediately between the object and the airflow.
大部分的阻力产生于混乱和不可预知的自然边界层之间在物体和气流之间。
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