• To improve the global astringency of evolutionary algorithm, an algorithm based on multi-population concurrent evolution is proposed.

    为了提高进化算法全局收敛性,提出了种多种群同时进化的算法。

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  • To improve the anti-premature ability and efficiency of evolutionary algorithm, a new algorithm based on multi-population was proposed.

    为了提高进化算法早熟性效率,提出了一种基于多种群算法。

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  • An improved binary ant-colony algorithm based on congestion control strategy and multi-population is proposed to over-come these disadvantages.

    使用拥塞控制策略改善算法的全局寻优能力,同时引入多种群的思想,提出了带拥塞控制多种群二元群算法。

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  • For the problem of rule extraction in text categorization, a novel rule extraction approach to text categorization based on multi-population collaborative optimization was proposed.

    针对文奉分类中的规则抽取问题,提出基于种群协同优化的文奉分类规则抽取方法

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  • The mathematics model of the multi-population co-evolution algorithm and the symbol deduction theory model of multi-agent system based on co-evolution mechanism are theory bases of whole paper.

    体协进化算法数学模型基于协进多智能体系统符号演绎理论模型,全文的理论基础

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  • Last year, the WHO report on anti-TB drug resistance documented the highest levels of multi-drug resistance ever recorded in a general population.

    去年世卫组织抗结核报告说明了一般人群结核病多药情况已达到前所未有最高水平

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  • But it may still benefit some women to take multi-vitamins, she added, because the women in the study were relatively well-educated and had better health habits than the general population.

    同时还说道还是驱使部分女性服用复合维生素的,因为调查中的女性相对于一般大众来说,有着良好的教育背景饮食习惯。

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  • In America prospects for the "multi-family apartment" rented sector are helped by the "echo-boomers", a youthful bulge in the population.

    美国由于“回声潮代”——即数量突增年轻人口——起到的促进作用,“多公寓”租赁业的前景向好。

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  • Therefore it demands a population-based, multi-sectoral, multi-disciplinary, and culturally relevant approach.

    因此需要人群为基础的多部门多学科符合文化条件的措施。

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  • This paper reviewed the new progress in the theory and hypothesis of population regulation in small mammals, focusing on the food hypothesis, predation hypothesis and multi-factorial hypothesis.

    小型哺乳动物种群数量周期性波动外因调节假说进行介绍,概述食物假说、捕食假说复合因子假说的主要内容和研究进展

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  • Objective To explore the feasibility of multi-dimensional and comprehensive evaluation on the quality of life among rural elderly population in Anhui province.

    目的探讨安徽省农村老年人群生活质量综合评价可行性

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  • Thus, according to research object and goal, choosing a reasonable distribution index can provide multi-factor information about the spatial pattern of the population.

    表明根据研究对象研究目的选择合理分布指数能够提供种群空间分布格局多侧面信息

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  • Methods Subjects were collected from community population by stratified multi-stage cluster sampling method. The data gathered from case investigation and serological detection.

    方法社区人群采用阶段分层整随机抽样方法抽取研究对象,进行个案调查血清学检测。

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  • He used structuralist method in his analysis so readers can have a multi-dimensional perspective about the change of population and history.

    结构主义分析方法,为人们提供一幅生动的立体人口历史关系的画卷;

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  • CONCLUSIONS---: Our results in a multi-ethnic US population suggest that increasing hyperglycemia in pregnancy is associated with an increased risk of childhood obesity.

    结论:对美国民族人群研究表明随着妇女怀孕期高血糖症患者血糖增高,其子代肥胖症风险增大。

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  • In this paper, on the basis of structural regression models the estimation of the population-averaged treatment effects is given when the response variable is a multi-dimensional vector.

    可交换条件下,当响应变量为多维,利用结构回归模型研究总体平均处理效应估计

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  • The separation among populations and the adaptive-gathering in a population are achieved by local evolution, so the multi-model function optimization is transformed to unimodal function optimization.

    局部演化的方式,实现种群分离种群内自聚集,使函数优化问题转化单峰函数优化问题。

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  • Multi-path model is used to analysis the direct and indirect influence of population, regional gross product, consumption level and household water supply on house refuse and sewage.

    通过构建多元通径分析模型,定量分析中国各地区人口总数生产总值、居民消费水平生活供水用水量生活垃圾清运量和生活污水排放量的直接影响间接影响。

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  • And we forecast the vehicle population from 2007 to 2017 by use of multi-linear regression model.

    应用多元线性回归模型预测2007年2017年汽车保有量。

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  • We give the approximation formulas of the variance of the sample ratio estimator for a population mean and its asymptotically non-biased estimator in multi-stage sampling.

    讨论阶段抽样比率估计及其样本量选择问题,给出比率估计抽样均方误差的近似公式及其无偏估计的公式。

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  • In this paper, the noise theory of monolithic multi-quantum-well passively mode-locked laser diodes (MLLDs) is discussed, and the phase variation curve with carrier population of MLLDs is found.

    对多量子被动锁模半导体激光器噪声理论进行了系统的分析,并给出了半导体激光器腔内相位载流子浓度变化的关系。

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  • In this paper, the noise theory of monolithic multi-quantum-well passively mode-locked laser diodes (MLLDs) is discussed, and the phase variation curve with carrier population of MLLDs is found.

    对多量子被动锁模半导体激光器噪声理论进行了系统的分析,并给出了半导体激光器腔内相位载流子浓度变化的关系。

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