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lognormal distribution中文是什么意思

  • 对数常态分布
  • 对数正态分布

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  • 例句与用法
  • The lognormal distribution is widely used in geology to characterize sediment size variations and geochemical element concentrations .
    在地质学中,对数正态分布已被广泛用以表示沉积粒度变化特征和地球化学元素浓集情况。
  • Statistical analysis of accelerated life test on lognormal distribution case under type i censoring
    对数正态分布定时截尾样本下加速寿命试验的统计分析
  • The usual way to model indoor radon concentrations is to assume lognormal distributions of concentrations on a given territory
    模式化室内氡气浓度时常假设,其于一定范围内为对数常态分布。
  • It has found that section dimension deviations yield with normal distribution ; axis line deviations yield with lognormal distribution
    通过调查分析认为;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。
  • The results of theory simulation are close to that of experiments . the size distribution of the particles is in agreement with the lognormal distribution
    理论模拟的结果表明,金属微粉的流速增大,颗粒的平均粒径减小,与实验结果趋势一致。
  • In the case of lognormal distribution , we obtain the limit distribution of the sum of the logarithm of every sample ' s test time , and construct the pivot
    对于对数正态分布场合,本文给出了样品试验时间对数和的渐近正态分布,构造了枢轴量。
  • As to normal distribution , we find the pivot , which we get from the limit distribution of total test time , is approximate with the one from the case of lognormal distribution
    对于正态分布场合,本文给出了总试验时间的渐近正态分布,利用对数正态场合的结果得到参数的近似置信域。
  • On the assumption that investment funds follow lognormal distribution , the reinsurance pricing question affected by investment gains is discussed from the reinsurers ' angle
    摘要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。
  • On the assumption that the hydraulic conductivity field follows a lognormal distribution , the direct fourier transform is introduced to generate muhiple 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。
  • 2 . we have mixture exponential distribution and mixture lognormal distribution as examples , discuss the details of the model and the method . the estimation is proved to be practicable and effective through simulation
    分别以混合指数分布和混合对数正态分布为例,具体讨论了文中提出的估计方法,并利用数值模拟验证了文中所给方法的可行性和估计的有效性。
  • 更多例句:  1  2
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Last modified time:Fri, 15 Aug 2025 00:29:56 GMT

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