常用的有以下六种类型： 简单抽样（Simple sampling） 即简单随机抽样， 指保证大小为n的每个可能的样本都有相同的被抽中的概率。 例如： 按照“抽签法”、
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Some simple sampling methods 几种简单的抽样方法
simple sampling without replacement 简单不重复抽样 ; 简单不放回抽样
simple sampling inspection plan 简单抽样检查方法
Simple cluster sampling 简单整群抽样 ; 单纯整群抽样
simple sampling with replacement 简单放回抽样
stratified simple random sampling 分层简单随机抽样
simple random sampling with replacement 放回的简单随机抽样 ; 简单随机放回抽样
covariance for simple random sampling [统计] 简单随机抽样协方差
simple binomial sampling plan 简单二项抽样计划
To overcome the limits of directly simple sampling and lack of basis of theory, a new construction of edge pyramidal structure was proposed based on sampling strategy.
采用抽样技术进行边缘金字塔构造，克服了直接二抽取法的缺点及其理论上的不足。
The Quality Control Sampling Agent has the simple task of measuring the status of the database and recording this data in a database table.
质量控制抽样代理(QC抽样代理)的任务是简单地度量数据库的状态，并将该数据记录在一个数据库表中。
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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