• 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,目前进口规模入境口岸实施2%抽样检疫前提,橘小实蝇随进口水果传入我国的可能性的概率为0.147。

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  • 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广义可靠性分析问题,提出一种广义失效概率计算线抽样方法

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  • 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失效概率问题,提出基于子集模拟重要抽样可靠性灵敏度分析方法

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  • 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.

    本文给出集团抽样不等方法均值无偏估计同时也给出了这种估计方差及方差的无偏估计。

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  • 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同步引起计算误差,得到按照发生线路故障可能性大小排列故障选线序列

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  • 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(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

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  • 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.

    本文随机截尾模型基础上,为了提高回答者的合作程度,提出了两种改进调查敏感性问题数量特征的随机化回答方法

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  • 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.

    本文随机截尾模型基础上,为了提高回答者的合作程度,提出了两种改进调查敏感性问题数量特征的随机化回答方法

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