Here the three dimensional entity boundary is boundary surface mesh, which owns not only geometric property but also topology property.

此时，三维实体的“边界”是指“边界表面网格”，它既具有几何性质，又具有拓扑性质。

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Revised method is proposed for calculation of three dimensional turbulent boundary layers on the surface of symmetry plane of a flow around ellipsoid at incidence.

本文应用零方程模型和二方程模型计算了椭球体有攻角绕流对称面上的三维湍流边界层。

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