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density distribution相关的网络例句

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与 density distribution 相关的网络例句 [注:此内容来源于网络,仅供参考]

Results indicated that aphids fed on fresh bamboos by aggregately distributing, and their predators in bamboo forests were separately collected in different parts, main of which were in accord with negative binomial distribution and Polya-Eggenberger distribution, it was proved that some natural enemies in some sample sites were spraying extensively from single plot to around places, the population density of bamboo aphids was proved to be stable in a regular time.

在竹林中主要符合负二项式分布和 P-E 核心分布,为不均匀的聚集分布,存在由点片向四周扩散的现象,频次分析和聚集度指标的分析结果基本一致,其中瓢虫的聚集程度不及另外2种天敌的明显。

The asymmetrical distribution of temperature and fuel component affects the distribution of current density.

温度和燃料组分的非均匀分布直接影响了电流密度的分布。

Then we define the stable distribution with four equivalent ways and analyze its properties carefully. To study the stable distribution, we must know how to simulate its random variables. We can learn it intuitively by watching its plot of density function.By adding an auxiliary variable in the Chapter 4, we estimate the four parameters using Gibbs sampler.

接着给出了稳定分布的四种等价定义方法,详细的分析了稳定分布的性质,提出如何利用简单随机数产生稳定分布的随机变量以便我们进行分析研究,借助稳定分布近似密度函数的图形我们对它的特征会有更加直观的认识。

Referring to Bessel function,a calculation equation of temperature distribution in the surface and heat-flow density of wax deposit layer in the laminar flow is deduced,as well as temperature distribution inside.

通过对试验环道上测试段相关数据的测试,对比分析测试段管壁有沉积物和无沉积物时测试段管壁内温度分布的不同表达式,根据能量方程建立了无量纲温度分布方程,利用贝赛尔函数推导出原油在层流状态下沉积层表面温度分布、沉积层热流密度、油流温度分布等相关温度场的计算公式,为研究蜡沉积规律,定性分析管路结蜡层厚度和制定合理的清管方案奠定了理论基础。

In order to improve the validity of identifi cation of digital image origin and predetermine accurately threshold of identification,a new probability density function of generalized chi square distribution is constructed within0,1 for asymmetrical distribution of noise correlation.

为了提高鉴别数字图像来源的正确性,正确设置判别阈值,针对噪声相关性的非对称分布,在0,1区间构造了一个广义chi平方分布的新函数,并提出了一种利用广义chi平方分布来描述噪声相关性的非对称分布和利用广义高斯分布来描述噪声相关性的对称分布的新方法。

Secondly, through on-site and laboratory testing, studies the impact of root distribution density and distribution methods to root complex shear strength.

根系的抗拉特性符合一定的规律,对进一步研究根系的拉拔特性奠定基础。

Using assumed explained variable condition, applying the maximum entropy principle and with the condition probability distribution complying with that of sample data and prior distribution, the author finally estimates an optimal conditional probability density of the LGD.

利用假定的解释变量条件,应用最大熵原理,并要求所估计的条件概率分布一致于样本数据和先验分布,最终对违约损失率估计出最佳的条件概率密度。

In this article the usual method of determining the distribution density of function of one-dimensional continuous random variable——distribution function method.

本文给出了求一维连续型随机变量函数分布密度的一般方法:分布函数法,并用分布函数法对现有文献中的计算公式进行了理论探讨,对现有的定理进行修正拓展,扩大了应用范围。

Contour density of the temperature distribution in cross-section was different according to distance of the heater. The closer the distance from the electrode, the more intensive the density of isogram was. All isograms exhibited irregular oval shape.

结果显示距离热源不同距离的横截面温度分布等值线密度不同,越接近电极,等值线越密集,且呈不规则椭圆形。

China is the world's population density is one of the countries with high per square kilometer, the average population density of 134 people; but rather a balanced distribution.

中国也是世界上人口密度较高的国家之一,每平方公里的平均人口密度为134人;但分布颇不均衡。

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With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务,乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐,因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。

Closes the eye, the deep breathing, all no longer are the dreams as if......

关闭眼睛,深呼吸,一切不再是梦想,犹如。。。。。。