To establish a spatial semivariogram model of human population genetic structure.
目的建立人类群体遗传空间结构异质性变异函数模型。
The best fitted theoretical model for the semivariogram is Gaussian model, and then the linear model.
高斯模型与实验半方差变异函数的拟合效果最好，其次是线性模型。
Results the spatial semivariogram model revealed the spatial genetic structures of a human population.
结果实例表明，模型客观地反映了人类群体遗传空间结构异质性和空间自相关性。
When you look at the model of a semivariogram, you'll notice that at a certain distance, the model levels out.
查看半变异函数的模型时，您将注意到模型会在特定距离处呈现水平状态。
This paper describes the use of semivariogram as a parameter for image comparison, which is a commonly used method for content_based image retrieval.
在众多基于内容的影像检索机制中，标准影像和待检索影像之间的比较是一种常用的方法。
Methods Spatial semivariogram models were set up based on genetic distance by analyzing the relationship between geographic distance and genetic distance.
方法结合地理距离和遗传距离的关系，分别建立基于三种经典遗传距离的群体遗传空间结构异质性的变异函数模型。
Conclusion spatial semivariogram models of human population genetic structure can effectively reveal the spatial structure of the population genetic structure.
结论人类群体遗传空间结构异质性变异函数模型可以揭示人类群体遗传空间结构特征。
It is concluded that the semivariogram method of spatial statistics may be as an effective means of estimating the crown of pure forest stand with relative high crown closure.
结果表明：空间统计学半方差方法可以作为郁闭度较高纯林林分冠幅估计的一种有效方法。
The results indicated that the semivariogram of total C , available N and available K were best described by the Gaussian model, while available P was best fitted by the Spherical model.
结果表明，海伦黑土全碳、碱解氮和速效钾半变量函数曲线的理论模型符合高斯模型，速效磷的理论最佳模型为球状模型。
The results indicated that the semivariogram of total C , available N and available K were best described by the Gaussian model, while available P was best fitted by the Spherical model.
结果表明，海伦黑土全碳、碱解氮和速效钾半变量函数曲线的理论模型符合高斯模型，速效磷的理论最佳模型为球状模型。
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