The system will derive all other tool vectors from the surface boundary.

系统将从曲面边界衍生所有其它刀具向量。

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The key to modeling the vadose zone is the ability to predict an accurate surface boundary condition.

计算边界面上的流量：对渗流区域进行建模分析的关键问题是预测准确的面边界条件。

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Experimental results show that this approach can effectively decompose the surface boundary of CAD models.

实验结果证明，该方法能有效地分割模型的表面区域。

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The vortex generators themselves are pins or vanes that protrude from the surface and set up microscopic eddies in the boundary layer.

ECONOMIST: The turbulent world of swimming