The two-stage design theory under planning control gives a good method to decompose the designs.
规划控制下二阶段设计理论提出了一种对设计问题进行规划分解的有效的方法。
In this paper, a mathematical model and the selection of optimization method for equal strength optimized design of two-stage straight bevel gear-helical cylindrical gear reducer are introduced.
介绍了两级直齿圆锥—斜齿圆柱齿轮减速器等强度优化设计的数学模型及优化方法的选取。
The spatial steel frame bearing construction loads and directly hanging formwork must be calculated by two stage design method recommended in this paper.
当需要采用空间钢构架承受施工荷载、直接悬挂模板时，应按本文建议的施工和使用两个受力阶段进行设计计算。
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