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Two new rules represented in equality for Demyanov difference: the Demyanov difference of summations of two pairs of convex compact complementary sets;the Demyanov difference of a set, which is the convex hull of finite number of convex compact sets, and a convex compact set complementary to these sets,are given.

为此给出了两个关于Demyanov的新的用等式表述的运算法则:两个彼此互补的凸紧集对的和的Demyanov,有限个凸紧集的凸包和与这些凸紧集正交互补的凸紧集的Demyanov

There are 2 alleles at a marker locus and they are codominant. We assumed that the sires used were heterozygous at all marker loci with known linkage phases and were mated to females which are randomly sampled from a population being in HardyWeinberg equilibrium.For further understanding of the values of treating QTL effect as random effect and the importance of estimating the variance component of QTL, we estimated the additive QTL effect under several factors combinations assuming that the QTL vanance component to be known.

为了进一步明确将QTL效应作为随机效应处理,并估计其方组分的重要意义,本文在方组分真值给定的前提下,采用随机QTL效应模型和单标记及侧翼标记信息,研究了不同试验设计、不同群体结构、不同QTL等位基因类型、不同遗传力和不同QTL方贡献等因素组合下,TM-BLUP种畜遗传评定的效果。

It is shown that as the deviation of the interval factors of the design parameters are similar and close to unity, the computational error of the fast methodology are determined by the dispersion between the interval factors; and the error comes up to zero if all the interval factors are equal.

当诸参数的变化区间相对其均值的离较小时,区间结构矩阵特征值的计算精度主要由各区间因子的值大小所决定;且当各区间因子的值为零时,误亦为零。

Under the concave transaction costs function, using the variance of profolio return rate to express profolio risk, and taking the risk-return combination difference as the objective function, we propose Mean-variance D.C- integer optimization model under concave transaction costs and minimal transaction unit constraints.

2考虑凹交易费用函数,用投资组合收益率的方反映组合风险,以风险-收益的组合作为目标函数,提出了考虑交易费用及最小交易量的均值—方D.C-整数优化模型。

The the probabilistic forecasting method of the error between the sample mean and expectation value of the random variable utilizing the central limit theory was researched, then the mathematical formula for the relation between sampling size and variance coefficient of loss of load probability was analyzed. Furthermore, the formulas for the relation between confidence intervals of variance coefficient and sampling size are deduced.

基于中心极限定理深入研究随机变量的样本均值与期望值之间误的概率预测方法,在此基础上分析失负荷概率(loss of load probability,LOLP)指标的方系数和样本容量之间的关系表达式,导出方系数给定时的样本容量置信区间公式及样本容量给定时的方系数置信区间公式。

The paper focuses on the multivariate Laplacian distribution. Based on MLD, we have obtained the variance of the quadric form, the covariance of two quadric forms and the covariance of the linear function and the quadric form.

对于多元拉普拉斯分布,我们推导出了多元拉普拉斯分布的二次型的方,两个二次型的协方,线性函数与二次型的协方

Two kinds of differential for the cryptanalysis of SFAER\|64 are introduced to form the differential pair .

针对SARER 64密码系统给出了两种形式的分构成混合分对,研究了分对与密文对分布的关系。

On the basis of the thermal balance equation,specific inner work equation,cyclic heat absorption equation of a thermal system and the standard coal-consumption calculation formulae of power generation,derived was a general calculation model featuring the influence of lower terminal temperature difference of a heater on the coal consumption of a power plant.

根据热力系统热平衡方程、比内功方程、循环吸热量方程及发电标准煤耗率计算公式,导出了加热器下端对机组煤耗影响的通用计算模型;并且在考虑到加热器下端的影响的基础上,改进了以往的建模方法,得到了更为完善的加热器上端对机组煤耗影响的通用计算模型。

Almost defference sets have strong relationship with binary sequences with optimal 3-level autocorrelation, which are of significant applied bachground. We constructed 2 new infinite families of almost difference sets by using cyclotomy; Perfect binary sequences and perfect binary sequences pairs are of significant theoretical value and applied background, they correspond to cycle Hadamard matrices and difference sets pairs respectively.

几乎集与具有最优3级自相关二元序列密切相关,具有强烈的应用背景,我们借助分圆方法构造了几乎集的两个新的无穷类;最佳二进序列和最佳二进序列偶有着重要的理论价值和应用背景,它们分别对应着循环Hadamard矩阵和集偶。

Information entropy being fused in residual correlation analysis of dynamic model, this paper constructs a general diagnostic quantity named "residual entropy", which means the of information left in residual series, and indicates the approximation degree of residual to white noise.

熵,它的直观物理意义是残序列中所残留的信息量,可以定量地反映残序列逼近白噪声的程度。

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推荐网络例句

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸,那乌黑、忧郁的眼睛,她便会相信,他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失

But because of its youthful corporate culture—most people are hustled out of the door in their mid-40s—it had no one to send.

但是因为该公司年轻的企业文化——大多数员工在40来岁的时候都被请出公司——一时间没有好的人选。