查询词典 variance
- 与 variance 相关的网络例句 [注:此内容来源于网络,仅供参考]
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Methods The triceps and subscapular skinfolds were measured and the body composition were estimated by using Changling's and Brozek's models in a total of 376 twin pairs of Han nationality,including 245 monozygotic and 131 likesex dizygotic twin pairs aged 6 to 18 years.Modelfitting method with Mx package was performed to evaluate the proportion of variance components and to analyze the effect of sex,age and development period on the skinfold thickness and body composition.
测量376对6~18岁同性别双生子(同卵245对,异卵131对)肱三头肌、肩胛下皮褶厚度,用长岭和Brozek公式估算体成分;用Mx软件拟合最佳模型,计算各指标遗传与环境方差组分,分析年龄、性别和不同发育期的作用。
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Analysis of molecular variance indicated that 43.08% of the variation was from genetic differences between subspecies.
分子方差分析表明,香稻材料中总变异的43.08%是由于亚种间的遗传差异引起的。
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By analyzing the characteristics of CCD noise and taking into account the impact of video noise upon Sum Norm Difference and Sum of Absolute Difference of a macro-block,a Noise Variance Adaptive two-stage Successive Elimination Algorithm for block motion estimation is presented.
通过分析CCD 噪声的特点以及噪声项对宏块的和范数差值与绝对差值之和所产生的影响,研究了一种应用于噪声视频的两阶段连续消除算法。
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The set of the elementary functions is obtained by the successive matching of the signal local nature with the single prototype Gaussian function through regulating its variance, sweep rate, translation and modulation in an adaptive manner.
基函数集是由单一原型高斯函数通过自适应调节其方差、扫频率、时移和频移来匹配信号的局部时频特征而获得。
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Delaunay triangulation has been used to partition the selected extrema, then replaces the pixels that not contained in the Delaunay polygon through symmetry principle, which can restrain the variance phenomenon that appeared in the cubic spline interpolation.
利用Delaunay三角剖分方法对选取的极值点进行分划,对不包含在Delaunay多边形内的边界像素采用对称处理,抑制了3次样条插值过程中边界点变异现象。
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Inner layer heterogeneity, plane heterogeneity and microfacies heterogeneity are studied by using heterogeneity parameters: permeability variance coefficient, permeability tantivy coefficient and permeability differential.
应用渗透率的变异系数、突进系数和级差来分析储层层内、平面非均质性与各微相的非均质性。
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In this paper, we first use the Taylor expansion to derive a simple formula to modify the asymptotic variance, and then study its performance by simulations.
在本文中,我们将对Gidas (1993)由Fisher information矩阵而得的近似变异数做简单修正,并使用模拟实验来检验其在二元马可夫随机域的果效。
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Depression degree, consumption of tea, family history of osteoporosis and age accounted for 28﹪variance of bone density.
忧郁程度、喝茶、骨质疏松症家族史、年龄4个变项能联合预测骨密度28﹪的变异数。
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the article examines the characteristics of foreign exchange returns distribution,coupling with kinds of foreign exchange datas, figures out parameters of model by using variance gamma model.the empirically results ofkolmogorov-smirnov test and goodness of fit chi-square test shows that v.g.
本文运用方差gamma模型对外汇收益分布特征进行对比拟合分析,并结合几种被选汇率数据对模型参数进行估计。ks检验和卡方拟合优度检验的实证结果表明v.g。
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Canonical Analysis and Multiple Analysis of Variance are used to test the hypothesis of this research. The major findings of this study are summarized as following:(1) Overall, the global model fit is acceptable.
本研究的主要发现为:(1)整体而言,本研究整体理论模式配置符合可接受的适合度检定水准,表示本研究的理论模型可获得支持,故这四个构面间确实存在着影响关系。
- 推荐网络例句
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The split between the two groups can hardly be papered over.
这两个团体间的分歧难以掩饰。
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This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.
这种做法不仅鼓励了更多的反应,而且减少跟风的可能性。
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The new PS20 solar power tower collected sunlight through mirrors known as "heliostats" to produce steam that is converted into electricity by a turbine in Sanlucar la Mayor, Spain, Wednesday.
聚光:照片上是建在西班牙桑路卡拉马尤城的一座新型PS20塔式太阳能电站。被称为&日光反射装置&的镜子将太阳光反射到主塔,然后用聚集的热量产生蒸汽进而通过涡轮机转化为电力