革螨种多度分布用对数正态分布模型拟合。
A lognormal distribution model was used to fit the mite species abundance.
结果表明，种多度关系符合对数正态分布模型。
The results show that the curve of the moth species-abundance was in accordance with the log-normal hypothesis.
结果表明，腐植酸絮体的粒径呈现对数正态分布。
The results showed that Al-humic floc size followed a lognormal distribution.
阴影效应服从对数正态分布，而多径衰落服从瑞利分布。
The shadow affect is logarithmic normal distribution, and the multi-path fading is Rayleigh distribution.
金品位由对应于矿化阶段的两个对数正态分布总体混合而成；
Data of Au grades show mixation of two normal logarithmic distribution populations corresponding to the two mineralization stages.
老果园土壤和新果园土壤全磷浓度都服从自然对数正态分布。
Old orchard soil and new orchard soil the whole phosphorus concentration obey natural logarithm normal distribution.
本文着重研讨了对数正态分布和威布尔分布的等效正态分布。
This paper discusses the equivalent normal distribution of logarithmic normal distribution and weibull distribution.
当载荷服从对数正态分布时，滚动轴承的可靠寿命具有解析式。
If obeying logarithmic normal distribution, the reliable life of rolling bearings presents in an analytic form.
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。
In the statistical analyses, the result shows that the lognormal distribution model is more suitable for the index of deflection.
然而，对所有的分布效果是一样的(对数正态分布，三角分布等等)。
However, the effect is the same for all distributions (log-normal, triangular, etc.).
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。
It has found that section dimension deviations yield with normal distribution; axis line deviations yield with lognormal distribution.
桑园内南方刀螂卵块属聚集分布，在桑树上的分布高度属对数正态分布。
The egg mass of Tenodera aridifolia has an aggregate distribution in the mulberry garden and a normal logarithmic distribution on the mulberry.
沥青混合料的疲劳寿命和累积耗散能以及初始模量数据呈对数正态分布。
Asphalt mixture fatigue life, cumulative dissipated energy and initial modulus data showed a logarithmic normal 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。
This paper studies how to use the geostatistical method in processing geochemical data, which follows the lognormal distribution.
分层注水的层段注水强度服从于对数正态分布，并且其变异系数为一常数。
The distribution of separate layer injection intensity appears lognormality, and the variable coefficient is one constant.
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。
The peak currents for metastable pits also follow lognormal distribution and rise with potential.
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。
It is shown by test results that at a given equivalent stress amplitude the constant amplitude fatigue life follows the lognormal distribution.
文章指出古群落和现代群落的种的相对丰度具有类似的分布，即对数正态分布。
Results indicate that the distribution of species relative abundance of paleocommunity is similar to that of living community and both have logarithmic normal 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。
If the cold deformation rate is higher than 70 %, the recrystallized grain size distribution agrees with lognormal distribution.
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。
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.
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。
Then we fit family income distribution with three-parameter Iognormal distribution, and using iteration method, we determine three parameters of lognormal distribution.
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。
Weibull distribution or lognormal distribution is often used to analyze lifetime problem, so the two models are preferentially considered in tis paper.
本文首次指出电化学噪声服从对数正态分布与反幂律，它的产生在于系统的复杂性。
This paper points out that the electrochemical noise obey logarithmic normal distribution and inverse power law, and the electrochemical noise is caused by the systematic complex.
证明在社会经济系统中，反映研究对象规模大小的统计数据近似服从对数正态分布。
It is shown that the statistical data from survey units, which describe the scale of social and economic system, must be approximately subordinate to logarithm normal 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。
Then we fit family income distribution with three-parameter lognormal distribution, and using iteration method, we determine three parameters of lognormal distribution.
本文对净资产价值的分布进行了实证分析，结论表明净资产价值服从对数正态分布。
In this paper, we make a demonstration analysis on net asset value distribution, it is proved that the net value of assets subject to lognormal distribution.
结果表明：冰厚和冰速分别服从对数正态分布和瑞利分布，海冰压缩强度服从正态分布。
It is shown that the ice thickness and the ice velocity satisfy with Lognormal distribution and Rayleigh distribution respectively, and that the ice compression strength obeys normal distribution.
结果表明：冰厚和冰速分别服从对数正态分布和瑞利分布，海冰压缩强度服从正态分布。
It is shown that the ice thickness and the ice velocity satisfy with Lognormal distribution and Rayleigh distribution respectively, and that the ice compression strength obeys normal distribution.
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