本文通过对封闭型扩散模型的使用条件分析，提出了正确使用该模型的方法。
Through the analysis of use conditions for the closed dispersion model, the paper puts forward a method of using correctly the model.
本文运用气体动力学的理论，重点从结构上分析了影响KT - 150型扩散泵的抽速因素。
In this paper, the cause of speed of KT-150 diffusion pump are analyzed in the construction with using the theory of aerodynamics.
在光滑性约束项的构造上，构造了一种基于边缘定向扩散的各向异性张量型扩散方程，能有效地根据边缘的方向确定是增强边缘还是滤除噪声。
To construct a valid smoothness constraint, an edge-directed tensor diffusion is used, which can automatically select to denoise or to enhance edge according to the direction of edges.
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