非均匀介质中的弥散过程是依赖距离的，这起源于非均质结构的多尺度性质。
The dispersion process in heterogeneous porous media is distance dependent, which result from the multi scaling property of heterogeneous structure.
理论分析和数值实验均表明：多尺度数值方法对求解多孔复合介质周期结构的热传导和质扩散问题是可行的和有效的。
The theoretical analysis and numerical experiments show that the multiscale finite element method presented in this paper is very effective to solve above these kinds of problems.
通过这一技术我们可以生产出均质的微观结构，没有任何非金属杂质和瑕疵。
This technology allows us to manufacture uniform microstructures, which are free of nonmetallic inclusions and defects.
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