The key components are designed and matched by three-dimensional design method.
采用三维虚拟设计方法设计和选配了关键零部件。
The tank structure of mining flameproof transformer is analyzed by the three-dimensional finite element method. The optimal design of tank has been carried out.
采用三维有限元法对矿用隔爆型变压器箱体结构进行了分析，完成了箱体结构的优化设计。
Similar scheme searching and optimum design of cartons are solved by code method and three-dimensional search method.
采用编码技术、三维搜索方法等解决了相似方案检索和纸箱优化设计问题。
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