• DESIGN: a simple random sampling survey.

    设计:简单随机抽样调查。

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  • Method: Using simple random sampling survey and non-structured interviews.

    方法:简单随机抽样问卷调查和非结构式访谈。

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  • A layered sampling model for fuzzy comprehensive evaluation was developed based on simple random sampling methods.

    在简单随机抽样方法的基础上提出了分层抽样的模糊综合评价模型。

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  • Methods Questionnaire survey township leading cadres, township hospital employees and patients with simple random sampling.

    方法:采取单纯随机抽样方法对杭州某县乡镇干部、卫生院职工及患者进行问卷调查。

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  • Methods With simple random sampling, 1010 floating population and 240 local people in Wuxi were interviewed by questionnaire.

    方法采用单纯随机抽样方法,对无锡市1010名流动人口和240名当地人群进行问卷调查。

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  • Ranked set sampling (RSS) is a new sampling method. Compared to simple random sampling method (SRS), RSS sample has many good properties.

    有序抽样是一种新的抽样方法,与简单随机抽样方法相比它具有很多很好的性质。

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  • I have come across various survey reports on the well-being (or satisfaction) level of residents, but most are based on a simple random sampling on streets.

    过去也经常听说各种居民生活幸福水平(或满意度)调查报告,但多是街头随机抽样的调查问卷。

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  • Methods: Totally 164 young managers who had no basic disease and were less than 40 years in a Shandong company were selected with simple random sampling methods.

    方法:采用单纯随机抽样方法选取山东某大型国企中40岁以下无任何基础疾病的青年管理人员164人。

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  • Results showed that Latin Hypercube sampling can capture more variability in the sample space than simple random sampling especially when the number of simulations is small.

    结果表明,与普通随机采样相比,拉丁超几何体采样能捕获更多的不确定性,特别是在蒙特卡罗模拟次数较少时。

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  • Under simple random sampling scheme without replacement and unknown proportion of population possessing neutral attribute, the optimal allocation of sizes of two sub-samples is given.

    对简单随机不放回抽样,在总体非敏感属性个体比例未知的情况下,给出了两个子样本容量的最优配置。

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  • This paper introduced several methods about the concrete strength inspection: the sampling method given by the present specification; simple random sampling without replacement; stratified sampling.

    具体介绍了砼强度检测抽样的几种方法:现行规程抽样法;简单随机抽样法;分层抽样法。

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  • Methods Simple random sampling was used to choose surveillance counties.

    方法监测点的选择采用单纯随机抽样方法。

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  • Methods Simple random sampling method was used to investigate the Suzhou local residents and migrant workers.

    方法采用单纯随机抽样调查的方法对苏州当地居民及外来务工人员进行调查。

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  • Methods Simple random sampling method was used to investigate the Suzhou local residents and migrant workers.

    方法采用单纯随机抽样调查的方法对苏州当地居民及外来务工人员进行调查。

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