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。
应用推荐