查询词典 combinatorial problem

In this paper, GA is applied to solve complex shop floor scheduling problem. I have made some research in the following aspects:(1) In order to overcome the weakness of premature convergence appearing in GA, an improved genetic algorithm is proposed and applied in the flow shop scheduling problem.

本文应用遗传算法求解复杂的车间调度问题，主要在以下几个方面作了一些研究工作：(1)为了克服遗传算法容易出现提早收敛的缺陷，提出了一种改进的遗传算法，并将其应用于流水车间调度问题。

No-wait flow shop problem is one of flow shop problems, and is a typically NP-complete problem, which means that it is impossible to find the global optimum in polynomial complexity.

无等待问题是流水车间调度中的一种，是一类典型的NP完全问题，已被证明在多项式时间内得不到最优值。

In this paper, we consider a type of modern scheduling problem in which some tasks are processed on more than one processor at a time. We call this kind of problem Two-stage Multi-processor Flow shop.

本文研究了生产系统中的一种特别类型的可同时加工条件下的现代排序问题----分装式流水作业复合并行机排序问题。

Though the load analysis on the tunnel roof wall-rock in the fault footwall tunnel, this paper solves the problem of the tunnel support of tunneling through the great fault; and though the load analysis on the corresponding wedge of the lower abandoned tunnel, solves the problem of the influence of the lower abandoned tunnel on the upper tunnel floor.

通过对断层下盘巷道顶板围岩的受力分析，解决了煤巷掘进过大断层的巷道支护问题；通过对下部废巷道对应的楔形体的受力分析，解决了下部废弃巷道对上部巷道底板的影响问题。

In view of the precision problem of the forging parts of train axles occurred in the course of forging on the rapid forging hydraulic press, the cause of the problem was analyzed.

针对列车车轴在快速锻造液压机上锻造时出现的锻件精度问题，分析了问题出现的原因，用图示的方法揭示出问题所在，简单明了。

From the angle that formalization analyses, development problem can serve as a kind of special growth problem to handle.

从形式化分析的角度，发展问题可以作为一类特殊的增长问题来处理。

Pass above analysis, put forward current system existence of problem and find out understanding the way of thinking of this problem definitely.

通过以上分析，提出了现行系统存在的问题并找出了解决这问题的思路。

The core problem of labor theory of value is the fountainhead problem that creates value.

劳动价值论的核心问题是创造价值的源泉问题。

Perspective of the thesis is from the social development and enterprise progress, to enhance competitive advantage of technological enterprises as the goal, describe the necessary to resolve the issue of the organizational structure by a comparative analysis, as well as in practice, optimization of the organizational structure has practical significance, the thesis is on the basis of optimization analysis of organizational structure of Shenzhen MG technology company, and uses the four-cycle perspective to describe the cyclical dynamic reconfiguration of the organization optimization problem, through the planning, startup, diagnosis, design, reconstruction, monitoring , as well as steps to improve the optimization of organizational structure, provide a new way of thinking and problem-solving approach to improve the efficiency of organization for similarity technology enterprises.

本文从社会发展、企业进步的视角出发，以提升科技企业竞争优势为目标，阐述了解决企业组织结构问题在理论上的必要性，以及组织结构优化在实践中所具有的现实意义。本文在对深圳MG科技公司组织结构现状进行分析的基础上，采用四循环法这种以周期性的观点描述企业动态组织优化问题的方法，通过策划、启动、诊断、设计、重构、监控、以及改进等步骤逐步实现对深圳MG科技公司的组织结构优化，所得的研究成果为类似科技企业进行组织结构优化提供了新的解决思路和方案。

The electromagnetic inverse scattering problem governed by the fiest kind of Fredholm integral equation is an ill-posed problem.

摘要由第一类Fredholm积分方程所描述的电磁逆散射问题是非适定问题。

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。