查询词典 criterion

The disadvantages of obtaining control in approximate ways are analyzed, and the optimality criterion based on genetic algorithm is proposed.

分析了使用近似法求解控制量的缺点，据此提出了基于遗传算法的控制量优化求解策略。

Pareto optimum is regarded as the optimality criterion on allocation of network information resources theoretically, but it is hard to perform in practice.

帕累托最优在理论上可以作为网络信息资源配置效率的衡量标准，但在实践中却难以实施。

Frame structures ; optimal design ; minimum weight ; optimality criterion method.

框架结构；优化设计；最小重量；优化准则法

The optimality criterion that the aseismic structure must satisfy as it is optimal is derived by using the Kuhn-Tucker necessary condition, and its meanings are also interpreted from the point of view of physics.

从数学规划中的Kuhn-Tucker条件出发，推导出结构抗震可靠性的优化准则，并在物理上解释了该准则的含义。

An iteration procedure for improving design variables is constructed by this optimality criterion, and a factor is also employed to control the step size in order to make the iterative process be stable.

根据导出的优化准则构造出一种修改设计变量的迭代格式，其中引入松弛因子以保证收敛过程的稳定，并在每次迭代开始前都利用射线步把设计点引至可行域的边界上。

The Concentration of Urban Population and the Criterion of Optimality of a City.

Perevedentsev， V。，〈都市人口集中化与最适都市的标准〉，采自科学学会，国际劳工运动学院之公报，〈科技革新条件下的都市化与劳工阶级〉第212-230页，Moscow， 1970。

Combining the fully stressed optimality criterion with finite element analysis, the material distribution is optimized after several iterations.

采用满应力准则法，借助有限元结构分析，经过少量迭代，建立优化的材料连续分布场，即类桁架连续体结构。由于首先建立的拓扑优化结构是各向异性连续体，从而得到更大优化空间。

In the structural optimization, at First, the author analyses and contrasts characteristics and advantages of the mathematical programming method with optimality criterion method.

大型水压机横梁是关键的承载部件，一般采用薄壁箱形结构，这种大型薄壁箱形结构也广泛地应用在重型机械、造船、航空航天、核能电站、石油化工等领域。

Now there are manytriangulation algorithms in literatures,not only for plane point sets but alsofor space point sets.Because of the variety of results,we must choose one ofthem as the best in the meaning of some optimality criterion.

不论是平面还是空间散乱数据，都有不少文献讨论三角剖分算法，由于三角剖分的不唯一性，就有个优化问题。

In this paper , an efficient optimality criterion method is developed for the mini-mum weight design of WF I-section frames with constraints on stresses, displacements, local buckling and cross-sectional dimensions.

本文利用优化准则法解刚架结构优化设计问题，可以处理工程上常用的宽缘工字梁型剖面结构在应力、位移、板局部稳定性和几何约束条件下的最小重量设计。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。