“cluster sampling”的概念、定义、翻译、参考文献-科学参考

　

单词	cluster sampling
释义	cluster sampling Encyclopedia 农学抽样调查释 cluster sampling整群抽样在总体中按一定方式抽取初级单元，调查每个被抽中的初级单元中所包含的全部次级单元的方法。又称集团抽样。理学抽样调查释 cluster sampling整群抽样将总体划分为若干有联系的基本单元所组成的集合（群），然后以群为抽样单元，从总体中随机抽取一部分群，对入选群内的所有单元进行调查的一种抽样方法。又称一阶段整群抽样。 Mathematics ＞数理统计＞抽样与统计过程控制＞释义 cluster sampling整群抽样 cluster sampling整群抽样^† Chemistry ＞分析化学＞化学计量学＞释义 cluster sampling分类抽样＞分析化学＞化学计量学＞释义 cluster sampling整群抽样
随便看	conductive composite materials conductive fiber conductive filament theory conductive geoelectrical instrument conductive heat accumulation conductive impairment conductive material conductive polymer conductive rubber conductivity conductivity detector conductivity matrix conductivity meter conductivity modulation conductivity of biological tissue conductivity of colloidal particles conductivity of rock conductivity of sand-packed fracture conductivity properties of liquid crystal conductivity salinometer conductivity sensing technology conductivity, specific conductance conductivity temperature depth conductivity temperature depth profiler conductivity-temperature-depth survey

　

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