英语释义

1. relating to or being a normal distribution that is the distribution of the logarithm of a random variable also relating to or being such a random variable

片语

lognormal model对数正态模型

Lognormal Method对数正态法

lognormal graph对数正规图表

lognormal distribution[数] 对数正态分布

Lognormal distributions[数] 对数正态分布

lognormal component对数正态分量

lognormal mixtures对数常态混合法

distribution lognormal对数正常分布

Lognormal kriging对数正态克立格法

英汉例句

• In the statistical analyses, the result shows that the lognormal distribution model is more suitable for the index of deflection.

  同时从统计分析中可知，对数正态分布模型更适合于弯沉指标。

• The peak currents for metastable pits also follow lognormal distribution and rise with potential.

  亚稳蚀孔的峰值电流在恒电位下也服从对数正态分布且随电位升高而增大。

• Weibull distribution or lognormal distribution is often used to analyze lifetime problem, so the two models are preferentially considered in tis paper.

  由于威布尔分布或对数正态分布常用来分析寿命分布问题，故优先考虑这两种模型。

• The lognormal kriging systems and logarithmic kriging variance are established after non-bias condition and minimum estimation variance are studied.

  在分析了无偏条件及最小估计方差之后，给出了对数正态克立格法方程组及对数克立格方差。

• The permeability of every small small in descending order accorded with lognormal distribution, and its ordinal number corresponds to a fixed place of foe small square.

  每个小正方形所具有的渗透率由大到小排列符合对数正态分布，并且其序号对应着每个小正方形一个固定的位置。

• The results showed that Al-humic floc size followed a lognormal distribution.

  结果表明，腐植酸絮体的粒径呈现对数正态分布。

• If the cold deformation rate is higher than 70 %, the recrystallized grain size distribution agrees with lognormal distribution.

  在冷形变量大于或等于70 %时，其再结晶晶粒尺寸分布符合对数正态分布。

• It is shown by test results that at a given equivalent stress amplitude the constant amplitude fatigue life follows the lognormal distribution.

  结果表明，在同一应力水平下，所用试样的常幅疲劳寿命服从对数正态分布。

• The method and the resulting software for automatic generation of lognormal probability paper and the automatic extraction of distribution parameters are introduced.

  介绍对数正态概率纸自动生成和分布参数自动提取的方法以及据此开发的软件。

• This paper does some experiments and analysis on the single pixel gray value of natural images. We find that lognormal distribution can be used for the coarse and simple model of single pixel gray.

  本文针对自然图象中单像素灰度值的统计规律进行实验和分析，发现对数正态分布可以对之进行粗略、简单的建模。

• And a scaling lognormal model of flood volume is introduced to represent the affection of temporal scale of duration in annual maximum flood volume distributions.

  并提出了洪水洪量的对数正态分布模型来表征年最大洪量分布中历时的尺度影响。

• Thus, when the permeability of 50% probability and the coefficient of variation for lognormal distribution are known, one can establish a definite numerical model of permeability plane distribution.

  这样，知道模型的渗透率对数正态分布概率50%处渗透率和变异系数，就可以建立起确切的渗透率平面模型。

• A lognormal distribution model was used to fit the mite species abundance.

  革螨种多度分布用对数正态分布模型拟合。

• We have got the conclusion from the fiducial test, that the partial distribution is better than the lognormal distribution used commonly describing the structure of stock prices.

  检验结果表明：偏态分布在描述股票指数及股票价格结构的行为特征上优于当前国际上常用的对数正态分布。

• The results show that the size and playback duration of media files fit the lognormal distribution well but the average bit rate varies in a 「bi-peak」 model;

  结果表明：流对象大小和播放持续时间较好地符合对数正态分布，平均位速率呈「双峰」变化特性；

• When fatigue life following lognormal distribution, fatigue life scatter factor (LSF) methods are constructed to evaluate component reliability with very small samples.

  在假设产品寿命服从对数正态分布情况下，提出了用分散系数法评估极小子样产品的可靠性。

• It has found that section dimension deviations yield with normal distribution; axis line deviations yield with lognormal distribution.

  混凝土截面尺寸偏差服从正态分布，轴线位移偏差服从对数正态分布。

• This paper studies how to use the geostatistical method in processing geochemical data, which follows the lognormal distribution.

  本文研究如何用地质统计学方法处理服从对数正态分布的化探数据的问题。

• On the assumption that the hydraulic conductivity field follows a lognormal distribution, the direct Fourier transform is introduced to generate multiple realizations of hydraulic conductivity field.

  据以往研究，假设渗透系数场遵循对数正态分布，利用直接傅立叶变换方法来生成渗透系数随机场。

• Then we fit family income distribution with three-parameter Iognormal distribution, and using iteration method, we determine three parameters of lognormal distribution.

  然后，把家庭收入拟合于三参数的对数正态分布，并用迭代的方法求出分布的参数。

• On the assumption that investment funds follow lognormal distribution, the reinsurance pricing question affected by investment gains is discussed from the reinsurers' Angle.

  从再保险人的立场出发，在投资基金服从对数正态分布的假定下，讨论了在投资收益影响下的再保险保费定价问题。

• Then we fit family income distribution with three-parameter lognormal distribution, and using iteration method, we determine three parameters of lognormal distribution.

  然后，把家庭收入拟合于三参数的对数正态分布，并用迭代的方法求出分布的参数。