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单词
two-stage sampling
释义
two-stage sampling
Encyclopedia
农学
抽样调查
释
two-stage sampling
二阶抽样
设总体由个初级单元组成,每个初级单元又由若干次级单元组成,在总体中按一定方法抽取若干初级单元,对每个被抽中的初级单元再抽取若干次级单元进行调查的方法。
Mathematics
two-stage sampling
二次抽样
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the system of land divided into nine areas
The System of Nature or, the Laws of the Moral and Physical World
the system of norms
The system of One Province
the system of People’s Commune
the system of proofreader-in-charge
the system of public participation in environmental protection
the system of punishment and prevention of corruption
The System of sharing the levied rental and taxes between the feudal lords and the central government
The System of Social Indicators
the system of villagers' self-government
The Systems Approach for Better Education Results
the systems for examining and approving projects and keeping records
the systems of reporting on important matters of leading cadres
the systems of tendering and bidding
The Tabled and Textual Biographies of outer Mongolian and Hui Nobles
The Table of Rhymes in Old Chinese
The Table of Sound Category of Chinese Syllables
theta-characteristic
The Tacit Dimension
theta-constant
theta criterion
theta divisor
theta-divisor
theta-formula
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