The introduction probability of oriental fruit fly via imported fruits is 0.147 under the recent quantities of imported fruits and the quarantine requirement of 2% sampling inspection at port.
研究表明,在目前进口规模及入境口岸实施2%抽样检疫的前提下,橘小实蝇随进口水果传入我国的可能性的概率为0.147。
For general reliability analysis with fuzzy failure and safety state, line sampling method is presented to calculate general failure probability.
针对状态具有模糊性的广义可靠性分析问题,提出一种广义失效概率计算的线抽样方法。
Reliability sensitivity algorithm is presented on the basis of subset simulation and importance sampling due to the small failure probability highly experienced in engineering.
针对工程实际中大量存在的小失效概率问题,提出了基于子集模拟和重要抽样的可靠性灵敏度分析方法。
In this paper it not only gives the method of unequal probability in group sampling and unbiassedness of mean estimation and also gives the variance and its unbiassedness of estimation.
本文给出了集团抽样的不等概方法和均值的无偏估计,同时也给出了这种估计的方差及方差的无偏估计。
The average correlation coefficient is calculated to remove the errors caused by asynchronous sampling and the faulty line selection list is sorted according to the fault probability of line.
通过求取相关系数平均值,避免数据采集不同步引起的计算误差,得到按照发生线路故障可能性大小排列的故障选线序列。
Using the method of transition probability flow graphs (TPFG), the average sampling number to signal for these charts is given, and the average time to signal for these charts is deduced.
利用转移概率流图(TPFG)方法得到了发信号前的平均样本数,进而推导出了发信号前的平均时间。
Method Cochran's classic sampling theo- ries, the improved randomized response technique(RRT) model, total probability formulas and properties of variance were used in this paper.
本文在随机截尾模型的基础上,为了提高回答者的合作程度,提出了两种改进的调查敏感性问题数量特征的随机化回答方法。
Method Cochran's classic sampling theo- ries, the improved randomized response technique(RRT) model, total probability formulas and properties of variance were used in this paper.
本文在随机截尾模型的基础上,为了提高回答者的合作程度,提出了两种改进的调查敏感性问题数量特征的随机化回答方法。
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