Therefore, research on the problem of two-dimensional optimal layout for rectangular parts is very important in theory and applications.
因此，开展对二维矩形件优化排样问题的研究具有重要的理论意义和工程应用价值。
The two-dimensional layout optimization problem is studied. A semi-infinite optimization model with performance constraints is presented.
研究了二维布局优化问题，建立了具有性能约束的二维布局半无限优化模型。
The two-dimensional layout optimization problem about placing the rectangular graph elements on a round board is investigated and the semi-infinite optimization model is presented.
研究矩形图元在圆形区域内的二维布局优化问题，建立了半无限优化模型。
The two-dimensional compaction problem of building-block layout is considered in this paper.
研究积木块布图的二维压缩问题，提出一种采用分枝定界法的真正的二维压缩算法。
The two-dimensional compaction problem of building-block layout is considered in this paper.
研究积木块布图的二维压缩问题，提出一种采用分枝定界法的真正的二维压缩算法。
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