“二重抽样”的概念、定义、翻译、参考文献-科学参考

单词	二重抽样
释义	二重抽样 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
随便看	The Wang's Ensemble at Xiguan Village, of Wutai County, Shanxi Province the war between the Ming and Qing dynasties The war in Chuhedian The war in Hubudagang The war in Sanfeng Mountain of Junzhou The war in Zhongdu The Warlord The Warlord Takes Off His Armour The War Northern Zhou Perishing Northern Qi The War of Life The War of Resistance Films The War of the Worlds the war on cancer The Warring States the Warring States bambooslips collected in Tsinghua University The Warrior Gunagan, Mongolian heroic epic The Wars The Washington Post The Wasted Time The Wastons The Watch The Water and Soil Conservation Law of the People’s Republic of China The Water-Babies, A Fairy Tale for a Land Baby The Water Conservancy Development of 5 Villages of Shangyu County the water conveyance project of measuring

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