However, the mean atom distance depends on not only the cluster size, but also the cluster structure, which can be regarded as the criterion of determining the structure transformation.

平均原子间距不但依赖于团簇的尺寸，且对团簇结构的变化敏感，可以作为非晶与密堆结构晶体转变的一个判据。

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The criterion of energy transformation and conservation are used to derive the supplementary restraint condition of buckling deformation at the front of axial compression wave.

由能量转换和守恒准则，导出压缩波阵面上的屈曲变形附加约束条件。

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The simple transformation method for target vectors and criterion function convenient for selection of the parameters about the network has been put forward.

提出了目标向量的简单变换方法及便于网络参数选择的收敛评价函数。

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