• Genetic similarities were calculated using simple matching coefficient, and the phenogram was constructed by using UPGMA method. Three cultivars of n.

    计算各样本间的相似性系数遗传距离,并采用UPGMA对遗传距离进行了聚类分析。

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  • Genetic differentiation among wild materials was obvious and gene differentiation coefficient of it was larger than of bred varieties and local materials.

    沙打旺野生材料遗传分化明显基因分化系数育成品种间地方材料大。

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  • The genetic similar coefficient was calculated and cluster analysis was conducted.

    进而通过计算遗传相似系数进行聚类分析

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  • A hybrid learning approach is presented in which genetic algorithms are used to optimize both the network architecture and the regularization coefficient.

    提出利用遗传算法优化神经网络结构正则系数混合学习算法

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  • The genetic variation coefficient of yield was highest (17.59%).

    产量遗传变异系数最大,为17.59%;

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  • The path analysis showed that the coefficient of direct path and genetic correlation was equivalent between grains number per spike and water soluble pentosan content.

    遗传分析结果表明,水溶性聚糖含量之间直接通径系数与其遗传相关系数基本一致。

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  • Quantity genetic analysis showed that genetic variation coefficient, performative variation coefficient and hereditary ability of growth properties were greater than physiological properties.

    数量遗传分析表明,各生长指标的遗传变异系数表型变异系数广义遗传力一般大于生理指标

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  • The material from Southwest China and Japan has relatively high genetic dispersion, low Gst and average value of genetic similarity coefficient.

    来自我国西南以及日本两地区的小豆种质遗传离散度较大,遗传分化系数相似系数平均值较低

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  • The environment coefficient usually relates to some external environment factors, such as the distance to genetic sag and the contact degree to frontal sand body of delta.

    环境系数通常距离生油凹陷的远近三角洲前缘的接触程度外部环境因素有关

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  • Optimization method of the distinguishing coefficient is set up, on the basis of the integration of genetic algorithm(GA)and the difference information entropy in grey theory.

    遗传算法差异信息理论结合给出优化分辨系数方法

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  • Similarity analysis showed that genetic similarity coefficient between different strains has large difference.

    相似性分析结果显示不同菌株之间遗传相似性系数相差较大

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  • First, the theory and basic knowledge of digital Intermediate Frequency receiver and the Genetic Algorithms principle for optimizing the quantization coefficient of the digital filter are expatiated.

    首先,对数字中频接收机理论基础进行叙述。并讲述了用于优化数字滤波器系数遗传算法原理算法。

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  • And according to the genetic similarity coefficient, the genetic relationship among these local varieties was researched by UPGMA method.

    基于遗传相似系数、采用UPGMA法对这些地方品种的遗传关系进行了研究。

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  • Among them, the genetic variation coefficient of yield per plant was up to 29.51%, so it had high heredity potential, swift genetic advance and good selection effect.

    单株产量位次比较靠前,并且遗传变异系数也比较(29.51%),因此单株产量遗传潜力大、遗传进度选择效果较好

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  • When the same recurrent selection porgram was used in various population, the greater the coefficient of variation of the population, the greater the genetic progress it made.

    不同群体采用同一种轮回选择方案,表现出变异程度群体,选择遗传进展也大。

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  • This paper proposed a new method for parameter estimation based on genetic algorithms (GA) for linear systems in the case of its coefficient matrix with uncertain disturbance.

    对于线性系统本文针对系统矩阵a存在一类不确定性扰动情况提出了一种基于遗传算法(GA)新的参数估计方法

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  • The gross flowers and height, diameter, crown width, crown height, crown surface of Chinese fir clones in Guangxi area were investigated by genetic correlation analysis and path-coefficient analysis.

    广西杉木无性系胸径幅、冠高、树冠表面积进行遗传相关分析分析表明:总花量与生长性状之间的遗传相关系数均为负值;

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  • The gross flowers and height, diameter, crown width, crown height, crown surface of Chinese fir clones in Guangxi area were investigated by genetic correlation analysis and path-coefficient analysis.

    广西杉木无性系胸径幅、冠高、树冠表面积进行遗传相关分析分析表明:总花量与生长性状之间的遗传相关系数均为负值;

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