查询词典 variation coefficient

The results of empirical research of the three models show: The listed companies with irregularity actions are arranged in the aftermost part on the basis of evaluating results in accord with facts; the evaluating results of coefficient of variation model and catastrophe theory model is high correlation and more exact than the results of KMV model; when choosing credit risk models, we should consider the differences between indexes' models and unindexes'models.

三个模型的实证分析表明：受违规处理的上市公司排名都靠后，评估结果符合实际情况；变异系数模型和突变级数模型结果高度相关，并且比KMV模型结果的准确性更高；在选择信用评估模型时，要考虑指标评估和非指标评估模型的差异。

The parameters of trap detectors including: spatial uniformity, polarization dependence, angular variation, temperature coefficient, have effect on quantity transfer process, so these effect are quantificationally discussed on the basis of ...

实验表明陷阱探测器的一些特性对量值传递过程产生着不可忽视的影响，比如：响应均匀性、偏振特性、角度特性、温度系数。

This paper used the ratio of arithmetic to geometric mean to replace the coefficient of variation and applied into the enhanced adaptive filters. It proposed the novel class of adaptive filters, which were based on the ratio of arithmetic to geometric mean and were designed for speckle.

为此，将算术—几何均值比引入增强型的Lee和Frost等滤波器中，并取代变差系数在这些滤波器中的作用，推导得出一类新的基于算术—几何均值比的自适应斑点噪声滤波器。

According to the importance of frequen-cy in power system operation,the authors tested andcalculated the frequency attenuation time constant Tfand the static load frequency coefficient KL,whichcharacterinze the frequency variation of power system.

根据电网频率运行的要求，对表征电网频率特性的频率衰减时间常数Tf、静态负荷频率调节系数KL进行了试验研究和理论分析计算。

Recovery of emamectin benzoate ranged from 98% to 102%, with a coefficient of variation 4.39%.

甲维盐分析的回收率为98%～102%，变异系数为4.39%。

By means of linear trend estimate, Morlet wavelet analysis and binomial coefficient smooth, the interdecadal variation characteristics of north polar vortex and spring precipitation in China are studied.

各季节极涡面积及强度均存在显著的年代际变化，在20世纪70年代中期之前有上升趋势，而后出现下降的趋势；但极涡面积总体上有显著的线性变小趋势。

In this paper, we study the rate of convergence of Durrmeyer-Bézier Operaters for functions of bounded variation f and obtain a accurate estimation of coefficient. Our result improves the result of Zeng by making use of probable property of basic functions.

在Zeng等人对有界变差函数f的Durrmeyer-Bézier算子在区间(0，1)上收敛于 1/(a+1f+a/(a+1f 的收敛阶进行研究的基础上，利用基函数的概率性质等方法，对其所给的Durrmeyer-Bézier算子收敛阶估计结果作进一步的改进，得到其收敛阶的精确估计。

The mean and individual inspection method for known coefficient of variation were developed, and dimensionless criterion were given out by means of strength, load coefficients and reliability safety coefficient.

介绍结构可靠性检验的概念和各种强度检验方法的特点，对已知变差系数的均值检验和个值检验方法进行改进，利用可靠性安全系数和各种强度与载荷系数，给出无量纲的判别准则。

The mean and individual inspection method for known coefficient of variation C(subscript V method were developed, and dimensionless criterion were given out by means of strength, load coefficients and reliability safety coefficient.

介绍结构可靠性检验的概念和各种强度检验方法的特点，对已知变差系数的均值核对总和个值检验方法进行改进，利用可靠性安全系数和各种强度与载荷系数，给出无量纲的判别准则。

Based on the railway transportation data from 1978 to 2005,the four targets,such as passenger,passenger kilometers,freight traffic,freight ton kilometers are analyzed;and gravity center model,coefficient of variation and the weighted coefficient of are applied to in order to measure and evaluate the regional railway transportation disparities.

利用1978~2005年的铁路运输数据，采用重心模型、变异系数和加权变异系数，从客运量、客运周转量、货运量和货运周转量4个方面，对中国铁路运输的区域差异进行了统计分析和评价。

I will endeavour to find you some assistance.

我尽力帮你找人帮忙。

At first I only know bruck is the idol of American younglings, afterwards I returned back to Taiwan ,even in Beijing last year ,I saw her poster everywhere, I was so surprised at her charm.

起初我只晓得布鲁克雷德丝是美国少男少女崇拜的偶像，后来回台湾，甚至去年在北京，居然也四处看见她的海报，才惊讶她的魅力之大。