查询词典 logarithmic

For the construction sequence considered in the study the differential settlement between adjacent pile foundations assumes a logarithmic normal distribution.

结果表明：(1)对于模型中所考虑的施工顺序，桩基之间的差异沉降值在一定范围内按对数正态分布变化。

When the data is not in normal or logarithmic normal distribution, the least-squared method is not applicable to obtaining the sensitive index.

受最小二乘法求优数学解的约束，在求解作物水分响应模型的敏感指标时常出现从作物生理和物理上难以科学解释的情况，这除与试验处理数量多少及缺水水平有关外，也与试验数据的统计分布有关。

Based on the approach of turning some of the relevant extreme-value-type and logarithmic normal distribution variables into independent and normal random variables, the shear-slipping failure probability of a high arch dam is worked out to be of the order of magnitude of 10^(-5) by means of second-order moment method.

在将部分相关的极值型与对数正态分布随机变量转换为独立、正态随机变量的基础上，利用二阶矩法计算得到某高拱坝的剪滑失效概率为10^(-5)量级。

It belongs to the positive innormal distribution and can be described by the logarithmic normal distribution. This study analyses the dispersed trend and the regional different degree of the n...

在研究中应用罗伦兹曲线和基尼系数来分析辽宁农民人均纯收入的离散趋势以及地区差异程度

Years as a bearing cycle, the frequency distribution of bearing amount per tree presents logarithmic normal distribution.

母树的结实性状较为稳定，单株结实量的频率分布呈对数正态分布，一般以4年为1个结实周期。

When the variance was known and the conjugate prior distribution was normal,a Bayes estimation of loss-function and risk function of logarithmic normal distribution was given.

方差已知时，给出共轭先验分布为正态分布下，对数正态分布的损失函数和风险函数的Bayes估计，得到其Bayes估计为保守估计的条件

The statistical analysis of experiment results shows that both of the fatigue life and the strength performance of several composites in common use follow the logarithmic normal distribution or Weibull distribution, thus their probability models are given.

文中通过对几种常用复合材料的实验结果统计分析，发现复合材料疲劳寿命和强度性能遵循对数正态分布或Weibull分布，从而建立其概率模型，并寻求到强度性能的最大标准差，为复合材料可靠性设计奠定了基础。

In which the density function of stock price obeys logarithmic normal distribution,can be shown to be completely the same under certain equivalence relation of coefficients.

即股价密度函数服从对数正态分布，可以是完全相同的· S.D.E。的解仅适用于股市的常规情形，因此，A.B＿S.M。

Based on analysis and certification of a large number of measured data of different channels and different discharges, it is shown that weather theoretical form or measureds results of lateral velocity distribution are consistent with the laws of logarithmic distribution.

大量不同梯拱形渠道、不同流量的流速实测数据分析和验证表明，理论与实测流速横向分布都符合对数分布规律，利用多变量回归分析，确定了流速横向分布系数a、b值。

The fatigue life followed the logarithmic normal distribution or the two-parameter Weibull distribution by the probability regression method.

为研究预腐蚀对疲劳寿命的影响，进行30CrMnS iN i2A和LC4CS试件加速预腐蚀不同时间后的成组随机谱下的疲劳试验，采用概率回归方法对预腐蚀疲劳寿命分布特性进行检验，表明可采用对数正态分布和双参数威布尔分布描述疲劳寿命分布特性。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。