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 is studied. A semi-infinite optimization model with performance constraints is presented.
带性能约束的航天舱布局问题可分解为有限多个子问题，每个子问题克服了关于优化变量的时断时续性。
Aircraft layout problem with performance constraints can be partitioned into finite subproblems, which overcome the on-off nature about optimal variables.
布局优化是NP难问题，也是复杂的非线性约束优化问题。
Layout optimization is an NP-hard problem. It also belongs to complex nonlinear constrained optimization problem.
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