“stratified random sampling”的概念、定义、翻译、参考文献-科学参考

单词	stratified random sampling
释义	stratified random sampling Encyclopedia 教育学抽样释 stratified random sampling分层随机抽样按照总体已有的某些特征，将总体分为几个不同的部分（每一部分称一个层），再分别在每一部分中随机抽样的方法。农学抽样调查释 stratified random sampling分层随机抽样将总体按一定的原则分成若干个子总体，每个子总体称为层，在每个层内进行抽样，不同层的抽样相互独立且每层的抽样都是简单随机抽样的方法。 Mathematics ＞数理统计＞抽样与统计过程控制＞释义 stratified random sampling分层随机抽样
随便看	The Analysis of Mind the analysis of variable rules The Anatomy of Plants The Ancestor's Lands The Ancestral Temple Anthem The Ancient Boat the ancient Chinese supervisory institutions The Ancient House The Ancient Ksour of Quadane,Chinguetti,Tichitt and Oualata The Ancient Ruined Site of Unit 731 of the Japanses Imperial Army The Ancient Trees of Shangfang Mountain The Andaman Islanders The Andes Museum The Anglo-Chinese College Press the animacy hierarchy of typology the animation game industry The Animation School of Beijing Film Academy The Animation School of China Academy of Art The Animation School of Communication University of China The Annecy International Animation Film Festival The Annotated Calendar The Annotation ofGardensCraft The Annual Conferences of Library Association of China The Annual Reading Schedule of Chen' s Family School The Annunciation

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