查询词典 standardized normal distribution

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。

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。

As far as reason for deficiency, the fault expert database is built for helping administrators determine the reason for deficiency;. As for failure prediction,the mathematic models,the logarithmic normal distribution model of network software faults and the exponential distribution model of network hardware faults,are established.

对于故障原因，建立了故障专家库以帮助管理人员确定故障原因；对于故障预测，建立了数学模型——网络软件故障率的对数正态分布模型和网络硬件故障率的指数分布模型。

By means of statistical inference as well as hypothesis test method, it is determined that the variables of compressive stress and shearing stress are of Extreme-value Ⅰ Distribution and that the variables of frictional coefficient and cohesion coefficient are of Logarithmic Normal Distribution.

应用统计推理和假设检验方法分析得知，压应力与切应力随机变量呈极值Ⅰ型分布，摩擦系数与粘结力系数随机变量呈对数正态分布。

The grain size distribution for a thin film that has undergone normal grain growth is close to lognormal distribution.

II用PVD金属淀积方法在小尺寸接触孔中填充铝互连薄膜。

OBJECTIVE The similar formulas were deduced that samples and standards were normal distribution and lognormal distribution.The software was programmed through VB software.

目的研究了样品、标准品的数据均符合正态分布、对数正态分布时的数理相似度计算公式并通过VB编程予以实现。

The software system not only performs common process capability index computation, common distribution function computation and curve fitting, but also has the function especially for computing process capability index for non-normal distribution and multivariate.

该软件不仅包含常规工序能力指数的计算，通常遇到的分布函数的计算与拟合，而且具有非正态和多变量工序能力指数计算两个重要模块。

Random.lognormvariate Return a floating point value with a log normal distribution; the natural logarithm of this distribution is Gaussian with mean 'mu' and sigma 'sigma'.

返回a浮点值与a日志正态分布；的自然对数的分布是高斯，平均'mu'和西格马

The system is controlled by continuous review installation stock policies. This paper presents an improved approximated method that the leadtime demand of warehouse is approximated by the normal distribution, and the leadtimes demand of retailers are approximated based on negative binomial distribution.

论文给出改进的近似方法，即用正态分布近似分销中心提前期内需求的分布，用更符合实际的负二项分布近似零售商提前期内需求分布，从而建立了二级分销系统期望总成本近似模型。

The orientation distribution function is discretized by normal distribution function, and every FE integration points represent one crystal. Flanging earing tendencies with different initial orientations were discussed and verified by experiments.

将取向空间中的晶体取向分配给各个单元的积分点，对具有不同初始织构的板材进行模拟，预测制耳的大小和方位。

His female bullfighter Lydia gradually Health love, but she was in a vegetative state after the Bulls Zhuangcheng away from her, just because Lydia's ex-boyfriend showed more affectionate than he is like love.

他对女斗牛士莉迪亚渐生爱意，却在她被公牛撞成植物人后离她而去，仅仅因为莉迪亚的前男友表现出好似比他更深情的爱。

I know of none which are not easy to answer, but what I am trying to do now is only by a series of hints to throw some light on the narrow path of legal doctrine, and upon two pitfalls which, as it seems to me, lie perilously near to it.

我不认为有什么难以回答的问题，但我现在要做的仅仅是通过一系列线索，来给法律理论的狭窄路径以及在我看来离它近得危险的两个陷阱提供一些启示。