查询词典 optimal

Equal forms with multiobjective function optimization of composite structure,which is suitable for genetic algorithm solving, is constructed. Expression of optimal problem with chromosome including discrete mixed with continuous variables are established.

用评估函数法构造了适用于遗传算法求解的复合材料结构多目标优化问题的等价表达形式，给出了离散变量与连续变量混合优化问题解的染色体表示。

The entire road network optimal composite indicator has been a hot spot. Through 4, 1950, the various control methods have emerged one after another.

如何有效地让一个区域内的车辆有序地通过信号交叉口，使整个路网综合指标最优一直是研究的热点。

The effects of different carbon and nitrogen sources on the fermentation of Antrodia camphorata were studied. The optimal medium composition was confirmed by single factor test, orthogonal test, and the comparison of medium parameters. The results showed that many carbon sources could be utilized by A.

研究了以不同碳氮源配制合成的液体培养基对樟芝发酵的影响，通过单因素和正交试验并对培养基的参数进行了比较，确立了最佳的培养基条件。

Secondly, the knowledge induced from experience, sample knowledge, model quantified knowledge are integrated organically in the field of ship design. The compound knowledge model is raised. A standardized modal system of compound knowledge in intelligent 3D-layout design of ship compartments is set up, by using object-oriented classify-decomposed relation and mixed knowledge expression of frames, regulars and methods. The intelligent support system of intelligent 3D optimal layout design of ship compartments is established based on compound knowledge base and inference engine.

其次，将船舶布置设计领域中经验归纳性知识、实例样本知识、模型数量化知识三者有机集成，提出了复合知识模型；结合舱室智能三维布置设计采用面向对象的知识分类分解关系及用框架、规则、方法的混合知识表达形式建立了一套复合知识规范化的形式描述体系，介绍了相应的推理机构造方法，提出了基于神经网络的舱室布置设计实例检索模型，并首次将其用于舱室布置设计实例的检索。

For Pb-based cold fusion reactions to form super heavy nuclei, the optimal excitation energy, the capture cross-section to form a DNS, the compound nuclear formation probability, and the survival probability are calculated.

对一些以Pb为靶的形成超重核的冷熔合反应，计算了最佳激发能、形成双核系统的俘获截面、复合核形成几率及存活几率等，所得到的形成超重核蒸发剩余截面与已知实验值符合较好。

Conclusion］ The compounds of hawkthorn extracts and Nisin had good antimicrobial activity on 3 kinds of tested strains and the optimal compound proportion of Nisin and hawkthorn extracts was 1∶5.

结论］山楂提取物与Nisin的复配物对3种供试菌均有较好的抑制效果，且Nisin与山楂提取物的最佳复配比例为1∶5。

For the case of two products, we show that the objective function is concave and submodular, and obtain the optimal condition for the order quantities.

接着，我们从最优采购量、销售商的最优期望收益值及对顾客的服务水平等方面对销售商采用替代策略和不采用替代策略的两种情况进行比较，证明了销售商采用替代策略可以提高其经济效益及对顾客的服务水平。

3When mark price increase, the advertising cost, the optimal order and the lower bound of total profits increase in three cases. In the S shaped function, the advertising cost in three case decreases concave downwards, and in concave shaped function, the advertising cost increases concave upwards.

3当成本加成率m递增时，在三个个案中，广告支出、订购量以及利润下限都向上递增，在S型函数中，三个个案下的广告支出效果为凹面向下，而凹型函数中，广告支出效果则为凹面向上。

The Mean-CVaR (Conditional Value-at-Risk) portfolio optimization model is proposed to calculate a globally optimal portfolio under concave transaction costs. A non-decreasing concave function is employed to approximate origin transaction costs function.

研究了当投资组合的风险用条件风险价值（Conditional Value at Risk，简称CVaR）度量，考虑凹交易费用的投资组合选择问题，通过对交易费用采用非线性的凹函数，建立了一个均值-CVaR模型。

The second part of the thesis proposes two portfolio optimal models with concave transaction cost being taken into account.

另一个内容是考虑交易费用的投资组合的最优选择问题。

Finally, according to market conditions and market products this article paper analyzes the trends in the development of camera technology, and designs a color night vision camera.

最后根据市场情况和市面上产品的情况分析了摄像机技术的发展趋势，并设计了一款彩色夜视摄像机。

Only person height weeds and the fierce looks stone idles were there.

只有半人深的荒草和龇牙咧嘴的神像。