图论主坐标分析是分析人类群体遗传结构的一种理想方法。
The graph theory principle coordinates analysis is an ideality method for studying the human population genetic structure.
目的:提出基因频率矩阵的图论主坐标分析方法,探讨该法在人类群体遗传结构研究中的应用。
Objective: To present the methodology of graph theory principle coordinates analysis and explore its applicability for studying human population genetic structure.
各品种的相似系数分布在0.14~0.83之间。利用主坐标分析也将供试品种分为4大类群。
The genetic similarity(GS)of the cluster analysis varied from 0.14 to 0.83. Principal coordinate analysis also divided all the varieties into four groups.
本文提出一种利用平行坐标图的多元信息表示对主成分分析特征提取方法进行优化的分类技术。
A novel method for optimizing the principle component analysis in feature extraction is proposed, which making use of parallel coordinate plot for graphical presentation of multivariate information.
本文讨论多元质量数据的矢量分析方法,几何变换,坐标旋转和初始变量的主分量计算不同变量的主分量值。
This paper deals with the multivariate vector analysis of quality data by geometric transformation, rotating coordinates and computation of the principal component of initial variables.
在抽油机支架强度分析中, 在全局坐标系下确定主惯性平面方位的参考节点的位置非常困难。
In the strength analysis of the pumping jack of a pumping unit, it is very difficult to determine the reference node position under global coordinate system.
根据运动学分析与推导,得到主弹在地面发射坐标系下的运动模型。
According to the analysis and derivation, the dynamic model of the Leader Missile in Launch coordinate is built.
主坐标和UPGMA聚类分析结果基本相同,并与地理来源有很高的一致性。
The results of PCA and UPGMA clustering analysis exhibited a good consistency, and were also consistent with geographic origins.
使用水平臂测量机对焊接主车身或分总成进行常规三坐标检测,并输出测量报告至分析系统。
Using CMM to measuring white body and sub assembly follow routine measuring plan, and exporting measuring report to CM4D.
采用线性插值及双线性插值得到预测点位置上的本征模态值。 结构由原风压场协方差分析得到的主坐标和上述新本征模态值获得未布置测压点位置的风压时间序列。
The linear interpolation and bilinear interpolation were employed to obtain the values of the proper modes on locations where the wind pressure time series are to be predicted.
采用线性插值及双线性插值得到预测点位置上的本征模态值。 结构由原风压场协方差分析得到的主坐标和上述新本征模态值获得未布置测压点位置的风压时间序列。
The linear interpolation and bilinear interpolation were employed to obtain the values of the proper modes on locations where the wind pressure time series are to be predicted.
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