By using the molecular dynamics theory and diffusion limited aggregation model of film growth, the fractal phenomenon of the nodule nucleation was well explained.

用分子动力学和薄膜生长的扩散限制聚集模型，薄膜中结瘤微缺陷成核时的分形现象得到了很好的解释。

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The competition between the diffusion of deposited particles and grain growth of thin films determines surface evolution of thin films.

沉积粒子的扩散和晶粒生长之间的竞争决定了薄膜表面演化。

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In the light of physical mechanism of equiaxed dendrite growth, solute diffusion models for equiaxed growth was improved.

根据等轴枝晶生长过程的物理机制，改进了等轴枝晶生长的溶质扩散模型。

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This growth and diffusion will present significant challenges for governments and societies, which must find ways to capture the benefits of new IT technologies while dealing with the new threats that those technologies present.

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