“double sampling”的概念、定义、翻译、参考文献-科学参考

单词	double sampling
释义	double sampling Encyclopedia 理学数据收集模式释 double sampling二重抽样一种分两步抽取样本的概率抽样方法：首先对从总体中随机抽取的样本量较大的样本（第一重样本）进行简单调查以获取有关总体的结构或辅助信息，然后从第一重样本中随机抽取一个样本量较小的样本（第二重样本）；最终利用抽取的第二重样本对总体所研究的目标量进行估计。又称二相抽样、两相抽样。 Mathematics ＞数理统计＞抽样与统计过程控制＞释义 double sampling二重抽样 double sampling双重抽样^†，二次抽样
随便看	Regulation for Computer Software Protection of the People's Republic of China regulation for ice flood prevention regulation for pesticide management regulation for reservoir emergency regulation for sediment discharge Regulation for the Implementation of the Law of the People’s Republic of China on the Entry and Exit Animal and Plant Quarantine Regulation for the Implementation of the People's Republic of China on the Protection of Aquatic Wildlife Regulation for the Implementation of the People's Republic of China on the Protection of Terrestrial Wildlife regulation in consumer behavior regulation in contract cost regulation independence regulation in market responsibility regulation law Regulation line of estuary channel regulation mode of organism functions regulation of agricultural machinery safety supervision regulation of arterial blood pressure regulation of capital regulation of charity regulation of cleavage regulation of energy metabolism regulation of enzymatic activity regulation of estuarine sand bar regulation of gene expression regulation of glomerular filtration rate

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