查询词典 combinatorial optimization problem

While approximation model is very close to actual model,and the precision of approximation is very high,the result of optimization is significant,and authentic;contrarily,the result of optimization is insignificant,and unauthentic.

近似模型和真实模型相差不大，近似的精度很高，优化出的结果就是有意义的，可信的；反之，优化出的结果就是没有意义的，不可信的。

To enhance the monitor efficiency of optimization process, an efficient sensitivity analysis method based on the idea of orthogonal experiment is advanced, which is unlimited to specific algorithm and can be commonly used to discrete, underivable or implicit optimization problems.

在改进寻优算法方面，研究了基于Lagrange函数的适合于求解一般约束问题的神经网络模型算法，探讨了神经元非线性度和拉氏乘子等对优化效率的影响，提出了提高网络优化效率的控制策略。

Based on the evaluation of rock mechanics properties of undrilling formation, a fuzzy optimization model for selecting the best similar layers with the same rock mechanics properties was established by applying theory of fuzzy optimization. Firstly the best similar layer located the undrilled area was chosen by the model. Secondly the performance of the bit used in the selected layer was evaluated by economic benefit index.

该方法在待钻地层岩石力学性质评价的基础上，首先应用模糊优选理论建立了地层岩石力学性质相似层位的模糊优选模型，用其进行相似层位的优选，然后应用经济效益指数法对相似层位的钻头性能进行评价，最后给出合理的钻头选型结果。

In this paper, based on the research about main technological parameters in abrading, the optimization in theory and the optimization in orthogonal experiments are done in order to achieve maximum productivity, and results with a certain reference value are obtained.

本文在对研磨加工主要工艺参数研究的基础上，以最大生产率为目标，对工艺参数进行了理论优化和正交实验优化，获得了具有一定参考价值的结果。

In this paper , based on the research about main tecimological parameters in abrading , the optimization in theory and the optimization in orthogonal experiments are done in order to achieve maximum productivity, and results with a certain reference value are obtained.

本文在对研磨加工主要工艺参数研究的基础上，以最大生产率为目标，对工艺参数进行了理论优化和正交实验优化，获得了具有一定参考价值的结果。

Comparing with other optimization methods, it needs few mathematical requirements, so it appropriates to deep foundation pit optimization.

与传统搜索方法相比，遗传算法对所求解的优化问题没有太多的数学要求，适用范围更广，适合于解决基坑支护优化问题。

Comparing with other optimization methods, it needs few mathematical requirements, so it appropriates to optimization design of supporting structures for foundation pit.

探讨了深基坑支护结构优化设计方法，详细阐述了遗传算法的基础理论和实现技术。

We edit retaining engineering of deep excavation system optimization and analyzed procedure which is based on classifying and compartmentalizing corresponding investigated arrangement, and setting out from system optimization's theory.

在归类划分相应研究层次的基础上，从系统优化的理论出发，提出建立深基坑支护设计的优化模型的思路，编制深基坑支护系统优化分析程序，并用工程实例进行了验证分析。

This paper proposes an Improved Particle Swarm Optimization algorithm.IPSO adopts a new mutation operator and a new method that congregates some neighboring individuals to form multiple sub-populations in order to lead particles to explore new search space.Additionally,this algorithm incorporates a mechanism with a simple and easy penalty function to handle constraint.Thus,this algorithm has strong global exploratory capability and efficiency while being applied to solve nonlinear constrained optimization problems.

提出了一种改进的粒子群算法（Improved Particle Swarm Optimization，IPSO），使用了一种新型的变异策略，并在搜索过程中将部分邻近的个体聚集成核，从而形成多子群引导粒子探测新的搜索区域，采用了简单易行的罚函数约束处理机制，使算法在求解较难的非线性约束优化问题时具有很强的全局搜索能力与效率。

For the sake of realizing the rapid registration of the data of free-body measurement under different visual angles in the converse engineering, and let the wavelet analysis be combined with optimization techniques, the delaminated optimization algorithm was presented.

为了实现在逆向工程中不同视角下自由形体测量数据的快速配准，将小波分析和最优化技术相结合，给出了分层优化算法。

The studies on the developing of new media are very important to the increasing of the area density of HDD and to the implementation of hybrid recoding technology.

光磁混合记录方法，是一种可以突破超顺磁极限的限制，并进一步提高硬盘记录密度和读写速率的一种新型超高密度信息存储方式。

In io, mTOR inhibition promotes T cell anergy under conditions that would normally induce priming.

体内研究中，在正常可激发免疫反应的条件下，抑制mTOR可促使T细胞无能。