First, a statistical inference is made of the "bulk-cargo carriers system" so as to find out the regularities of the ships' arrivals and the probability distribution of loading and unloading times.
首先对“杂货船系统”进行了统计推断，找出杂货船到港分布规律及装卸时间的概率分布。
On the basis of statistical theory, the distribution probability of full graded concrete strength and the relation between the sample size and coefficient of variation are introduced.
运用统计学理论给出了全级配混凝土试件强度的概型分布，导出了试验样本容量与变异系数之间的关系式。
The scope of reliability theory made use of includes statistical analysis of life data and interference model of probability distribution as well as reliability models of systems.
文中使用的可靠性理论包括寿命数据分析理论、概率分布干涉模型和系统可靠性模型。
Assuming distribution statistical probability of micro-units strength, statistical damage variable is defined; and the statistical damage constitutive equation is proposed under triaxial.
假定软岩微元强度分布统计概率，定义软岩的统计损伤变量，依据统一强度理论建立三轴应力状态下软岩的损伤统计本构模型。
In this paper the probability distribution curve of the train living load in our country is developed through a number of investigations and statistical analyses.
本文通过大量的调查统计分析。得出了我国货物列车活载的概率分布。
According to the Huang Kun's statistical distribution theory of phonons (1982), the phonon probability factors and the average numbers of phonons at 4.2K and 20K are exactly calculated.
根据黄昆等的声子统计分布理论，计算了4.2K和20K下的多声子跃迁几率因式和发射的平均声子数目。
During the statistical process of density, the probability density distribution of the rock mass structural plane in sample space is assumed as normal distribution.
在密度统计过程中，把岩体结构面样本在空间上的概率密度分布假设成正态分布。
During the statistical process of density, the probability density distribution of the rock mass structural plane in sample space is assumed as normal distribution.
在密度统计过程中，把岩体结构面样本在空间上的概率密度分布假设成正态分布。
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