Halogen bond is known as a kind of non-covalent intermolecular interaction.

Ceramics primarily have ionic bonds, but covalent bonding is also present.

陶瓷初始状态是受离子束缚的, 但是还是有共价键结构的.

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In covalent bonding, atoms share electrons.

在共价键联中, 原子共有电子.

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Further study is needed before the origin of the covalent bond can a settled question.

需进一步深入研究方能解决共价键的起源问题.

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It is almost always the electron-pair donor ( nucleophile ) in a covalent Bond.

在共价键中它总是电子对的施主 ( 亲核试剂 ).

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Returns the covariance of two series evaluated over a set ( biased ).

返回在某一集合上对两个系列求得的协方差 ( 偏置填充 ).

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The algorithm is developed , which avoids computing correlated estimate covariance the advantages of the distributed structure.

该算法保持了分布式系统在结构上与计算上的优点, 仿真实验表明,算法的性能与传统分布式次优融合算法的估计性能相近.

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Results show that the Copula based method produces better backtest results than the traditional variance-covariance method.

结果表明,基于copula方法估计的投资组合风险值比方差协方差方法估计的投资组合风险值更接近实际数据.

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A real-time estimation of a prior variance-covariance for GPS observations is suggested in this paper.

本文提出了一种GPS观测量的先验方差 - 协方差矩阵的 实时 估计方法.

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The ranks and natural logarithms of determinants printed are those of the group covariance matrices.

上图反映了协方差矩阵的秩和行列式的对数值,由行列式值可以看出协方差矩阵不是病态矩阵.

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The observations included the micrometeorology, radiation, eddy covariance observation systems and soil water content profiles.

观测系统主要包括:常规气象 、 辐射 、 涡度相关法观测系统以及土壤水分观测剖面.

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POOLVD pooledvariance-covariance matrix from two or more data matrices. Dan also perform a test for homogeneity.

路程经过过程计较两个或两个以上的数据矩阵孕育发生整体方差协方差矩阵. 可以用于同质性查验.

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Returns the covariance of two series evaluated over a set, using the unbiased population formula.

返回在某一集合上对两个数据系列求得的协方差(使用非偏置填充公式).

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The covariance should be comprehended and followed dialectically.

必须辩证地掌握和遵循图书馆学发展的协变性.

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The data was analyzed by chi-square, stepwise regression analysis and covariance statistics.

资料用卡方检验 、 逐步回归和协方差分析等.

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The theoretical foundation of the covariance is pertinence of system theory.

协变性的理论基础是系统原理中的相关性.

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Covariance analysis with forward stepwise variable selection was carried out.

统计方法采用逐步向前变量选择协方差分析.

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Analysis of covariance is a combination of regression analysis and variance analysis.

协方差分析足把直线回归与方差分析结合起来应用的一种方法.

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The data on covariance presently available are here.

目前所能获得的关于协变的资料都在这儿.

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This decomposition may give another definition of high order tensor's covariant derivative.

这种分解可以给出高阶张量协变导数的另一种定义.

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The covariant equation of plane motion body in curved space-time is studied.

研究弯曲 时空 中平面运动刚体的动力学协变方程.

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