此算法采用上下两层，即下层N个基础种群和上层一个精英种群。
This algorithm includes two levels:the lower level of N basic swarms and the upper level of elite swarm.
这就为应用生态学最著名的种群模型来研究其动力学行为奠定了基础。
So it provides research basis on dynamics behavior by using the most famous population model in ecology.
上述结果可为鳙鱼种群的生化遗传结构分析以及鳙鱼的人工育种提供基础资料。
The above results provide basic information for the biochemical genetic survey of bighead carp populations and artificial breeding of bighead carp.
准确估计害虫种群密度是进行虫害预测预报的基础。
To forecast the outbreak of pest insects is based on the estimation of population density.
本研究是在水稻群体生长模型和纵卷叶螟种群生命系统模拟模型的基础上进行的。
The study has been based on both the model for rice population growth and the model for simulating population life system of lice case worm.
本文着重阑明了树木与植食性昆虫的互相策略，诱导抗性的生物化学基础以及诱导抗性在调节植食性昆虫种群中的重要性。
In this paper have been discussed the mutual countermeasures between trees and phytophagous insects, bio-chemical basis of induced resistance in regulating phytophagous insects population.
笔者认为，这种群体性的行为，主要是因为知识分子有着敬佩感激、愧疚自责、从众求安的心理基础。
I think the emergence of the colony behavior is mainly because the psychological foundation of, feeling a shamed and feel remorseful and uneasy that the intellectual person have.
本文在区域样地调查基础上，通过解析木分析，比较了不同经营措施对落叶松种群生物量和生长量的影响。
This article compares the effects of different management measures on biomass and growth of larch by analyzing the parse tree based on researching the sample.
在分布型研究基础上，探讨了资料代换模型，最适抽样数和种群序贯抽样模型。
The model data conversion, the population sequential sampling and the theoretical sampling number model were also built up in the paper.
经典的鱼类种群动态模型是以稳定的种群行为为基础的。
The classical fish population dynamic models were largely on the basis of stable population behavior assumption.
哈代-魏因贝格二氏定律建立了研究种群遗传的数学基础。
The Hardy-Weinberg law established the mathematical basis for studying heredity in populations.
虽然组织种群生态学是组织生态学最活跃的领域，也是研究的核心和基础，但是组织生态系统则是新的重要研究领域。
In the hierarchical structure, population ecology is foundation of others grows up and the most active field, but the organizational ecosystem is the important new research topic.
组建地理信息系统数据库是进行种群时空动态分析的前提和基础。
It is the precondition and foundation to build GIS database for analysis of population spatiotemporal dynamics.
从而说明本研究以叶面积指数和植物冠层盖度为基础进行叶片与种群间的尺度转换是可行的。
It indicates that the scale conversion between leaves level and population level based on canopy and leaves area index is feasible.
本文在EDCF - CFB的基础上提出了一种群ack确认机制并从理论上进行了分析。
In the paper a group ACK mechanism based on EDCF-CFB is put forward, and its efficiency is analyzed theoretically.
由于长期缺乏有效的科学调查，目前对其分布、种群及动态、行为、猎物现状等基础信息不清。
The basic ecological data of the leopard, such as the distribution, population and it's dynamic, behavior, prey, is least known for lacking of a long-term study.
建立了红松ISSR的最佳反应体系，为进行红松种群间遗传分化的研究奠定基础。
The reaction condition of ISSR experiment of Korean pine was discussed, which was a basis for the study on genetic divergency among Korean pine populations.
以这种种群多稳态为基础，放牧生态系统在整体水平上也会有多个稳态存在。
On basis of the multiplicity of stable states of populations, there are steady multi...
产品质量是顾客满意的基础，为使顾客满意产品种群内质量竞争加剧，加快了产品质量进化；而顾客的满意水平又受产品质量进化水平的驱动。
The evolution of product quality is faster because of quality competition, and the level of customer satisfaction is higher because of quality evolution.
的品种欧氏距离值分布于7.000～10.000之间，表明中国供试抗病品种群体的遗传基础较为狭窄。
The genetic distances of 85.55% of the varieties ranged from 7.000 to 10.000. All of above results showed a narrow genetic base in the tested cotton population.
研究结果为实时、快速、大面积监测蝗虫种群动态奠定了基础，并为合理、经济地防治蝗灾提供了科学依据。
These findings laid the scientific foundation for quick monitoring the dynamics of locust populations in real time and at large scale and efficient control of locust plague.
在此基础上，还分析了种群规模、否定域半径等参数数值的选取对算法性能的影响，并给出了参数数值的最优设定。
Then, the paper analyzes some parameters for the effect of the performance of algorithm, gives the optimal set of parameter values.
在此基础上，还分析了种群规模、否定域半径等参数数值的选取对算法性能的影响，并给出了参数数值的最优设定。
Then, the paper analyzes some parameters for the effect of the performance of algorithm, gives the optimal set of parameter values.
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