logarithm-normal distribution [数] 对数正态分布
model of logarithm normal distribution 对数正态分布模型
logarithm normal distribution model 对数正态分布模型
According to the ecological appropriate theory and the random sampling investigation date of several major plants in the Tarim basin, the logarithm normal distribution relation model between the growth of plants and the depth of groundwater was built.
以生态适宜性理论为基础，根据塔里木河干流流域典型植物的随机抽样调查资料，建立了干旱区几种典型植物生长与地下水位关系的对数正态分布模型。
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Old orchard soil and new orchard soil the whole phosphorus concentration obey natural logarithm normal distribution.
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。
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.
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。
The fatigue life of civil aircraft structures obeys two parameter Weibull distribution, its scatter factor is significantly different from that obeys logarithm normal distribution.
民机结构的疲劳寿命服从双参数威布尔分布，其分散系数与战斗机基于对数正态分布的疲劳寿命分散系数存在明显的不同。
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