查询词典 discrete optimization

Ant Colony Optimization Algorithm is a novel kind of simulated evolutionary optimization algorithm, which provides a new method for complicated combinatorial optimization problems.

蚁群优化算法是一种新型的模拟进化优化算法，为求解复杂的组合优化问题提供了一种新的思路。

Job-shop scheduling is a typical combinatorial optimization problem, and large scale scheduling optimization is one of such difficult optimization problems.

作业车间调度是一种典型的组合优化问题，大规模的调度优化是该类问题的难点。

In addition, we introduce the application of this algorithm in function optimization, constrained optimization and parameter optimization.

并介绍了这种新算法在函数优化、约束优化和参数优化问题中的具体应用。

Then, the relations among the robust optimization model, stochastic optimization model, and deterministic optimization model are analyzed and two algorithms, enumeration method and genetic algorithm are presented.

分析了鲁棒优化模型与确定性优化模型、随机优化模型的关系，并在此基础上给出了求解鲁棒优化模型的两种方法——枚举法和遗传算法。

In keeping with the tradition of the last twenty-some years, the Readings in Optimization seminar will focus on an advanced topic of interest to a portion of the MIT optimization community: randomized methods for deterministic optimization.

与过去20多年的传统一致，最优化书报讨论课程的重点将放在麻省理工学院一部分最优化团体感兴趣的一个高级主题上：确定性最优化的随机方法。

The codes of the two algorithms are implemented by Visual C++ on Visual Studio 6.0. Optimization software Lingo 9.0 is utilized in the code to solve the deterministic optimization model and two-stage stochastic optimization model.

以Visual Studio6.0为平台，以Visual C++为开发语言编写了两种算法的代码，代码中通过调用Lingo9.0来求解确定性优化模型和两阶段随机优化模型。

To facilitate the practical application, some simple rules are summarized to indicate the optimal selection rule among the ones known so far, under different circumstances. 4 Through clearly describing the uncertainties in stochastic simulation optimization and deterministic complex optimization, a unified formulation is proposed for the two types of optimization problems.

为方便工程应用，总结出一些简单规则，指出各种情形下的目前已知最优挑选规则。4通过明确刻画随机仿真优化与复杂确定性优化问题中的不确定因素，为两类问题提供统一描述。

Based on the drilling operation of 4 Wells, this article describes the basic characteristic of coalbed methane and technical difficulties in drilling. Some technical keys as borehole quality, fresh Water drilling,fresh water coring, coal-bed methane protection are solved through application of a series of techno1ogical measures such as optimization of rock bit, optimization of drill stem, optimization of drilling parameters and string coring and etc. The experimental performance, especially in fine-grained ...

本文以四口井的施工为例，着重介绍了煤层气井的特点，并指出了钻煤层气井的几个技术难点，通过钻头优选，钻具优选，钻井参数优选，绳索式取心技术等的现场实施和应用，基本解决了井身质量，清水钻井，清水绳索取心，煤层气保护等几个方面的技术难题，文中还介绍了使用中原油田自行设计的中原9508绳索取心工具的取心情况，尤其是在粉煤层地区的取心情况，这将为今后的煤层气开发打下坚实的基础。

And established the mechanics model,optimization parameter model,optimization mathematics model for the elastic element of the extensometer,programs analysis file and optimization control file by using the ANSYS parameter design language.

解析设计方法：依据弹性元件的受力特点建立其力学模型，运用已成熟的力学理论，如薄板弯曲理论、梁弯曲理论、柱拉压理论、剪切理论等获得弹性体的应力应变的解析值，从而获得目标函数和状态变量的解析值。

Based on the characteristic of various kinds of vehicle structure components in the vehicle industry, the general flow of structure topology optimization design is elaborated, and the status quo of application, development of the related representative topology optimization software is reported, including data transfer of Finite Element Analysis model, analysis computation, retrieval of optimization model of CAD.

针对车辆工程中不同车型部件结构的特点，阐述了结构拓扑优化设计的一般流程，报告了代表性较强的相关软件应用现状与发展，包括优化过程中有限元分析模型的数据转换？分析计算？CAD优化模型提取？对提高整车零部件刚度？

Diabetes is a social disease that affects several million people worldwide.

糖尿病是一个社会性疾病，全世界有数百万人罹患此病。

I'll call you on Friday to see if we can reschedule our luncheon meeting at your convenience.

我星期五会给您打电话在您方便的时候我们重新安排我们的午餐约会。