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1)  non ?repeated simple randomized sampling
不重复简单随机抽样
2)  simple sampling without replacement
简单不重复抽样
3)  simple random sampling
简单随机抽样
1.
The simple random sampling plan and stratified random sampling plan has been introduced and the application means and effects of which also has been presented,it has some characteristics such as material precision and obvious reduce of sample size,and rational advice has been presented.
介绍了简单随机抽样和分层随机抽样方法及其在检测中的应用方法和效果。
2.
This paper detailed introduced the two sampling methods, simple random sampling, and stratified sampling, and analyzed the features of the two methods.
我国现行既有房屋构件质量评定检测抽样技术存在明显的缺点,本文详细介绍了以数理统计为基础的简单随机抽样和分层随机抽样两种方法,分析了两种方法的特点。
3.
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。
4)  Sampling random sampling
简单随机抽样(SRS)
5)  simple random sampling with replacement
放回的简单随机抽样
6)  precision of simple random sampling
简单随机抽样精密度
补充资料:不重复抽样
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CAS号:

性质:亦称不放回式抽样。每次从总体中抽取的样本单位,经检验之后不再放回总体,在下次抽样时不会再次抽到前面已抽中过的样品单位。总体每经一次抽样,其样品单位数就减少一个,因此每个样品单位在各次抽样中被抽中的概率是不同的。

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