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。
We discuss the issues including availability of system, response time distribution, probability of events loss, fairness.
讨论系统可用性、响应时间分布、事件丢失概率、公平性等问题。
We discuss the issues including availability of system, response time distribution, probability of events loss, fairness.
讨论系统可用性、响应时间分布、事件丢失概率、公平性等问题。
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