简单随机抽样也称为单纯随机抽样、纯随机抽样、SRS抽样，是指从总体N个单位中任意抽取n个单位作为样本，使每个可能的样本被抽中的概率相等的一种抽样方式。
简单随机抽样 [数] Simple random sampling ; Simple random sample ; Simple sampling ; simple probability sampling
分层简单随机抽样 stratified simple random sampling
简单随机抽样精密度 precision of simple random sampling
简单随机抽样法 Simple random sampling
无放回简单随机抽样 SRSWOR
放回简单随机抽样 SRS with replacement
简单随机抽样协方差 [统计] covariance for simple random sampling
不放回简单随机抽样 SRS without replacement ; SRSWOR
放回的简单随机抽样 simple random sampling with replacement
简单随机抽样方差 variance for simple random sampling
方法：简单随机抽样问卷调查和非结构式访谈。
Method: Using simple random sampling survey and non-structured interviews.
分层抽样可以减少由简单随机抽样造成的抽样误差。
Stratified sampling can reduce the sampling error associated with simple random samples.
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。
A layered sampling model for fuzzy comprehensive evaluation was developed based on simple random sampling methods.
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