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约束水平
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  constraint levels
     A Dynamic Transportation Model with Multiple Criteria and Multiple Constraint levels
     多目标多约束水平的动态运输问题
短句来源
     In this paper, a dynamic transportation model with multiple criteria and multiple constraint levels (DMC2) is formulated. An algorithm is developed to solve such DMC2 transportation problems.
     构造了多目标多约束水平(MC2)动态运输问题的数学模型,开发了求解这一模型的迭代算法.
短句来源
  restraint level
     With an increasing of mode Ⅱ loading component,the negative region of restraint field ( R σ<0) exists at crack tip and become large,but the maximum positive restraint level ( R σ ) decreases.
     Ⅰ+Ⅱ复合加载时裂端出现负约束的区域(该区Rσ<0),随Ⅱ型分量增加,负约束区域增大,且最大正约束水平Rσmax降低。
短句来源
     The restraint distribution of a mixed crack contained in an actual structure satisfies the HRR character that the restraint level is independent of loading level and distance from crack tip.
     实际裂端的约束水平及其分布满足HRR场所要求的独立于外载荷水平和距裂端距离的性质。
短句来源
     The restraint level of plane stress is lesser than that of plane strain at the same mixed condition.
     平面应力条件下裂端的约束水平远低于相应条件下平面应变时裂端的约束水平
短句来源
  “约束水平”译为未确定词的双语例句
     The Optimal Constrained Level Solution of Multi objective Fuzzy Optimization with Mixed Discrete Variables
     混合离散变量多目标模糊优化的最优约束水平解法
短句来源
     By endowing the vertex and arc of direction graph with new meanings, GCSP network is established. The combination of the consistency method and the spread technology based on the map are used to solve the constraints.
     通过对有向图中结点和弧赋予新的含义,构建GCSP网络图,采用一致性方法和基于图的传播技术相结合的方法进行约束求解,求解过程中,通过降低约束水平和修正活动变量取值来解决约束冲突。
短句来源
     We introduce an optimal degree α in the objective function and a satisfactory degree β in the constraint conditions for interval number linear programming problem to transform them into parametric linear programming problem with real coefficients.
     通过引入区间数线性规划问题中的目标函数优化水平α和约束水平β将目标函数和约束条件均为区间数的线性规划问题转化为确定型的线性规划问题.
短句来源
     The equation is not only able to reflect the restraint levels of the human society civilization to an objective valued of the thermodynamic systems, but also able to realize an objective reality of their development along with the progressing of the human society civilization since the engineering conditions with their development have been included in it.
     由于该模型可包含工程环境特性的发展因素,因此,它不仅体现了人类社会文明的发展对热力系统客观价值取向的约束水平,同时还体现了热力系统的发展必将随着人类社会的进步而发展的客观现实性。
短句来源
     Time-Cost Trade-off in a Transportation Problem with Multi-Constraint Levels
     多约束水平运输问题的时间费用均衡(英文)
短句来源
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  相似匹配句对
     C were measured by the method of radioimmunology.
     C的水平
短句来源
     (c)partial restraint on bending and no restraint on horizontal displacement;
     (c)弯曲变形部分约束,水平变形无约束;
短句来源
     (b)full restraint on bending and no restraint on horizontal displacement;
     (b)弯曲变形完全约束,水平变形无约束;
短句来源
     Punishment to the violation of thecontract are three kinds: fine, mortgage on the loan and law restrain.
     法律约束
短句来源
     05 level between grade one and gradethree;
     05水平;
短句来源
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  bound level
The results demonstrate the feasibility of a spectroscopic determination of the binding energy of the least-bound level.
      
Then this bound level is degenerated with negative energy continuum solutions of the Dirac equation and becomes a resonance, whose shape varies and is approximately of Breit-Wigner type forZ-Zcr?5.
      
The spin of the bound level at 4,547 keV level was fixed to beJπ=2+.
      
Binding implies a firm commitment by a country not to raise its tariffs above the bound level.
      
These thermal constants provide constraints on the parameters of a bound level and the-first resonance at 2.68 eV.
      
  constraint levels
FE models of single-edge notch bend and double-edge cracked panel specimens are used to cover a variation of constraint levels.
      
Constraint levels in particulate reinforced metal matrix composites depend on proximity of the crack tip to particles.
      
FE models in two-dimensionals of single edge notch bend and double edge cracked panel specimens with several different crack lengths are used to cover a range of load and constraint levels.
      
This work applies the T-stress based T-functions to predict the T0 shift between types of specimens exhibiting different in-plane constraint levels at cleavage fracture.
      
The validity of J-Q* description has been demonstrated by three applications to: (a) predict crack-tip fields without further FEA calculations; (b) rank constraint levels for different fracture specimens; (c) predict constraint-corrected J-R curves.
      
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In this paper, we give the formulation of process which transform from fuzzy linear programming into conventinal linear programming, and discuss on sensitivity of already decided goal for constraint level. From these results we may see that fuzzy linear programming gives more informations than linear programming.

本文将模糊线性规划转化为普通线性规划的过程公式化,并提出其中既定指标对约束水平的灵敏度,从而可见,模糊线性规划比普通线性规划具有更多的参考信息。

A multiobjective decision making model for the multipurpose reservoir and wastewater treatment plan's system is developed in this paper The objectives of the model are 1) maximized the cumulative energy generation of the reservior and 2) minimize the operation cost of the waste treatment plants subject to certain technological limits of the reservior and the wastewater treatment plants, BOD5 and DO constraints of the river strsam. By the e-constraint dynamic programming algorithm, the problem is solved for various...

A multiobjective decision making model for the multipurpose reservoir and wastewater treatment plan's system is developed in this paper The objectives of the model are 1) maximized the cumulative energy generation of the reservior and 2) minimize the operation cost of the waste treatment plants subject to certain technological limits of the reservior and the wastewater treatment plants, BOD5 and DO constraints of the river strsam. By the e-constraint dynamic programming algorithm, the problem is solved for various values of ε. The optimal output and reelase of the reservoir and the optimal efficiency combination of the plants, as well as the noninferior solution set of the cumulative energy and operation cost of the plants are obtained. According to the preference of the decision maker, a preferred solution can be chosen. Through theoretical analysis and case study, the feasibility and generality of the model and its analytic method are proved.

本文通过把调节水库与河流的水污染控制科学地结合为一个大系统,建立了水库——污水处理厂系统的多目标决策模型。数学模型的目标为1)计算期内水库的累积发电量最大,2)计算期内污水处理厂的运行费用最小。约束条件主要包括水库进行防洪、发电、灌溉和航运等多目的运用的各项技术约束;河流的BOD_5和氧亏(DO)约束以及污水处理厂的技术约束等。针对这种序列多目标优化问题,把约束扰动法引入动态规划来求解。取计算期内水库的发电量最大为基本目标,而将另一目标以一定的约束水平ε加以限制,即作为约束条件处理。通过改变ε值求解单目标的动态规划,从而获得水库在枯水期及其它时期的最佳发电出力和放流量,以及相应的下游各污水处理厂的效率最优组合;水库计算期内累计发电量与污水处理厂运行费用的非劣解集。根据决策者的爱好选出爱好解。同时也得到了相应的水库和污水处理厂的各非劣决策运用过程。理论分析及实例验算证明了模型及其分析方法的可行性和通用性。为利用水库控制河流水污染提供了一切实可行的途径。

In this paper using fuzzy random variables as basic variables we define a structural fuzzy random failure function and analyze the fuzziness between structural effective state and failure state. A structural fuzzy random limit state equation is established. Using order relation,a structural fuzzy safety criterion of single-failure mode is given. Structural failure probability reliability and reliability index of single failure mode are discussed under a-constraint level. And then structural fuzzy random failure...

In this paper using fuzzy random variables as basic variables we define a structural fuzzy random failure function and analyze the fuzziness between structural effective state and failure state. A structural fuzzy random limit state equation is established. Using order relation,a structural fuzzy safety criterion of single-failure mode is given. Structural failure probability reliability and reliability index of single failure mode are discussed under a-constraint level. And then structural fuzzy random failure probability fuzzy random reliability and fuzzy reliability index are obtained. The practical calculation method given in this paper is corresponding with current Design Code.

本文以模糊随机变量为基本变量,定义了结构的模糊随机功能函数,分析了结构有效状态与失效状态之间的模糊性,建立了结构的模糊随机极限状态方程。利用序关系给出单失效模式结构的模糊安全准则,讨论了α-约束水平条件下单失效模式结构的失效概率、可靠度及可靠指标,进而得出结构的模糊随机失效概率、模糊随机可靠度及模糊可靠指标等。本文给出的具体计算方法和目前设计规范中采用的方法是相对应的。

 
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