• The structure of preform is described, the processing parameters are predicted in theory and the designs of functional and structural composites are provided by the method of topological analysis.

    本文拓扑分析方法预制件结构做了说明,并工艺参量进行了理论预测设计功能复合材料特殊结构复合材料提供了新的手段。

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  • The structural stabilities and electronic structures of W atomic chains are studied by employing first-principles plane wave pseudopotential method based on the density functional theory.

    使用基于密度泛函理论第一原理平面波赝势研究W原子结构稳定性电子结构性质。

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  • Based on the fractal theory, the paper expounds the structural fractality, process fractality and functional fractality in enterprise system.

    根据理论分析企业系统存在结构过程分形功能分形特征。

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  • Based on the fractal theory, the paper expounds the structural fractality, process fractality and functional fractality in enterprise system.

    根据理论分析企业系统存在结构过程分形功能分形特征。

    youdao

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