• 实质性测试通过举例说明变量抽样差异估计应用

    In the material test, the application of estimation of difference in variable sampling was explained by examples.

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  • 论述蒙特卡洛方法数学原理结合实例阐述了天然气储量计算过程各计算参数实际分布产生随机变量抽样方法。

    This paper expounds the mathematical theory of Monte Carlo method, and the random variable sample method of parameters in the calculation process of gas reserves in conjunction with examples.

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  • 医学科学不是建立常识”基础之上的,而是建立在特殊的科学研究之上:为尽可能排除一切混杂变量而在控制范围内随意抽样化验。

    Medical science is not foundedon "common sense, " but on uncommon investigation: on randomized, controlled studies that try to rule out as many confoundingvariables as possible.

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  • 主要理论基础概率论中的大数定理,主要手段随机变量抽样

    Its main theoretical base is the law of large Numbers in the theory of probability, whose main means is the sampling of random variable.

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  • 本文引进抽样思想提出气象变量相关系数一种序贯检验方法

    By introducing the idea of sequential sampling, a method for testing correlation coefficients of meteorological variables is presented.

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  • 针对换热器失效分析考虑几种主要参数不确定性随机性应用蒙特卡罗模拟法抽样计算了服从某种特定分布的随机变量

    Through failure analysis of heat exchangers and in consideration of uncertainty and randomness of several main parameters, the random variables are calculated by Mote-Carlo modeling.

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  • 假定网架结构制作偏差近似服从正随机分布利用舍选实现了随机变量抽样

    The manufacturing deviation of grids structures was assumed to be in normal distribution, and the normal random sampling was realized by acceptance-rejection method.

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  • 给出变量一化分布函数由此进行随机抽样方法

    The normalized distribution functions of the variables and their sampling methods are given.

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  • 本文分层随机抽样下通过使用辅助变量偏斜系数提出了几个总体均值估计

    The paper proposes new separate ratio estimators for population mean using known skewness coefficient of auxiliary variable in stratified random sampling.

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  • 为了解决数字模拟方法效率低问题,提出相关变量模糊可靠性灵敏度分析线抽样方法

    To overcome the disadvantage of numerical simulation, a line sampling algorithm is developed for FRS analysis with correlative variables.

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  • 本文依据理论模型确定模型变量继而进行调查方案设计,对网络顾客进行随机抽样获得相关数据

    Based on theoretical model, variables are established, and then investigation is designed. Finally, relevant data are acquired from online shopper samples at random.

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  • 本文讨论了对定序变量进行回归技术探讨了如何解决消费者信心指数调查抽样重要问题

    This paper discusses the modern regression techniques used for ordinal data analysis and how to apply them into solving an important sampling problem in Consumer Confidence Index survey.

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  • 给出了坐标变量几率密度函数公式简述了相应的抽样方法。

    The probability function for the four dimensional new variables are derived and the sample procedures f

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  • 给出了坐标变量几率密度函数公式简述了相应的抽样方法。

    The probability function for the four dimensional new variables are derived and the sample procedures f

    youdao

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