综合约束问题求解和回溯控制策略，给出了在粒度分层模型基础上的布局算法。
A layout algorithm based on the multi granularity model was proposed by adopting strategies of both constraint problem solving and backtracking.
内部自动布局引擎不是设计来处理约束大规模的变化，你会看到巨大的性能问题。
The internal Auto Layout engine is not designed to handle large scale changes in constraints, and you will see massive performance issues.
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.
此方法还可以解决不连续但是有相对位置约束的模块布局问题。
This method can also handle blocks with related position constraint but not connected.
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.
针对偏置部分电路布局中的对称约束问题，本文还提出了一种处理对称约束的模拟电路布局算法symm_cbl。
The dissertation also proposes a corner block list based algorithm SYMM_CBL to handle symmetry constraints in the placement of the biasing part.
常用三维布局问题的求解算法通常未对布局问题进行分解，且未充分考虑工程约束规则对布局问题求解的指导作用。
Common 3d layout algorithms do not decompose layout problems and consider adequately the directive function of engineering-oriented constraint rules to the resolution of layout problems.
本文研究一类带动、静平衡及不干涉性等动静态性能约束的旋转舱长方体群的装填布局优化问题；
The optimal layout problem of cube group in a rotating module with constrains of dynamic behavior, such as dynamic and static equilibrium, stabiliy ect.
带平衡性约束的圆集在圆容器内的布局优化问题，属于NP困难问题。
The optimal layout problem of circle group in a circular container with performance constraints of equilibrium belong to NPhard problem.
本文提出了以启发式方法和模拟退火算法相结合的混合算法，可用于带性能约束的布局优化设计问题。
A hybrid algorithm combined heuristic method and simulated annealing was presented in this paper for layout optimization with Performance constraints.
本文提出了以启发式方法和模拟退火算法相结合的混合算法，可用于带性能约束的布局优化设计问题。
A hybrid algorithm combined heuristic method and simulated annealing was presented in this paper for layout optimization with Performance constraints.
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