Three-dimensional component packing is a combinatorial optimization and NP-complete problem. It is difficult to find its exact global optimum.
三维布局问题属于组合最优化问题和NP完全问题，在一定时间内求其精确全局最优解是相当困难的。
All these studies provide gist for doing the insert groove optimization design and the development of three-dimensional complex groove turning insert which has independent knowledge property right.
以上研究为进行刀片槽型优化设计及具有自主知识产权的三维复杂槽型车刀片产品的开发提供了依据。
Three dimensional space is defined for the time, controller and Angle displacement. The method and scheme of optimization for subdivision control code are presented.
定义了时间、控制量及角位移三维空间，介绍了离散控制量的优化方法，并提出了离散量控制细分优化方案。
Container loading is the three-dimensional problem in "cutting and packing" problems. It is combined optimization with complex constraint condition.
集装箱装入问题是“切割和装入”问题领域中的三维空间问题，是具有复杂约束条件的组合优化问题。
Thus, three-dimensional flight path optimization planning can be changed into two-dimensional flight path planning on the surface of minimum risk.
建立最小威胁曲面，将三维航路规划问题分解为两个二维的优化问题，最后使用蚁群算法进行全局航路规划。
The thesis have a study on the three dimensional design of facility layouts the optimization choice of important facility and the scheme selection optimization of construction site layout.
本文就水利水电工程施工布置三维设计、重要施工设施厂址优选和布置方案优化三个方面进行了研究。
Self consistent ensemble optimization (SCEO) method was applied to the situation considering flexible backbones to predict the three dimensional structure of interfaces of protein complexes.
将自洽系综最优化方法（SCEO）推广到主链可变的分子体系，并以此来实现蛋白质复合物结合界面的柔性优化。
The coefficient of thermal expansion is decreased with increase of crystal powder filling, and three-dimensional structure optimization exhibits the 'similar inflexion.
随之的热膨胀系数降低，三维结构均匀优化也有类似的拐点现象。
It utilized the three-dimensional analytical method to studied the optimization process of the the best product combination for food machinery.
运用三维分析法，研究了食品机械产品最佳组合的优化过程。
It utilized the three-dimensional analytical method to studied the optimization process of the the best product combination for food machinery.
运用三维分析法，研究了食品机械产品最佳组合的优化过程。
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