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。
2
The two-dimensionallayout 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。
3
The two-dimensionallayout optimization problem about placing the rectangular graph elements on a round board is investigated and the semi-infinite optimization model is presented.