复杂布局问题属布局方案设计问题是复杂工程系统，应用领域广泛。
Complex layout problems are complex engineerings ystem, which exist in many fields and belong to layout plan design.
再入飞行器气动布局优化设计是一个复杂的工程系统设计问题，通常包含若干子系统和大量的设计参数。
The optimization design of aerodynamic shape for reentry vehicles (ASRV) is a design problem of the complex engineering system, which often involves several subsystems and various parameters.
布局问题的NP -困难性和航天器设计本身的巨大复杂性使得该问题的解决既有理论上的开拓性和挑战性，又存在工程实践上的艰难性和复杂性。
Great challenges and barriers exist in both theory and practice due to the NP-hard of layout problems in computation complexity and alarming difficulties in the design of spacecraft themselves.
布局问题是运筹学的一个重要分支，属于复杂的组合优化问题。
Layout problem is an important offshoot of Operation Research; it belongs to complex combinatorial optimization problem.
机械产品的布局设计问题属于复杂的三维布局问题。
The layout problem of mechanical product belongs to complex three-dimensional layout problem.
本文验证了粒子群算法在天线布局问题中的正确性和有效性，这样也为更加复杂的多天线系统布局提供了思路和分析方法。
We validate the correctness and effectiveness of the PSO in the antenna placement problem, which can provide an opinion and analytic method in many antennas system.
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.
布局问题是一种经典的组合优化问题，在求解复杂性上具有NP完全性。
Packing problem is a typical combinatorial optimization problem, and has NPC difficulty in solving complexity.
在大规模混合模式布局问题中，由于受到计算复杂性的限制，有效的初始布局算法显得非常重要。
Due to the limitation of computing complexity, an effective and efficient initial placement is very important for detailed placement.
一方面原因在于该问题的复杂性，其设计内容包括外部布局和内部布孔的集成方案制定；
One reason for that is the complexity of this problem, which mainly consists of outer layout and inner connection problems.
离散型制造企业中产品组装的问题是布局和调度相结合在一起的复杂问题，目前国内外学者对其研究较少，要解决这一难题，还需要大量的工作。
Product assembling is a complicate problem combined layout and scheduling, and there are a few scholars study on it. It needs large Numbers of work to solve this difficult problem.
给出了油气集输系统拓扑布局优化问题的数学模型，对其计算的复杂性进行了分析。
In this paper, a topological optimization mathematical model of oil-gas gathering and transforming system is founded, and the computational complexity is discussed.
通过对开关布局问题的研究，来解决一类象开关线路一样比较特殊，比较复杂的布局优化问题。
The layout problem of switches is studied in order to solve a kind of problem as special and complicated as the problem of optimization layout about switch circuits.
通过对开关布局问题的研究，来解决一类象开关线路一样比较特殊，比较复杂的布局优化问题。
The layout problem of switches is studied in order to solve a kind of problem as special and complicated as the problem of optimization layout about switch circuits.
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