survey sampling meaning in English

调查抽样

Some hotspot issues on the application and theory of survey sampling
抽样调查应用与理论中的若干前沿问题
Methods analyse the sub - sample of urban unemployed , half - unemployed people draw from the 3rd national health services survey sample of 2003
方法从2003年国家卫生服务调查数据库中抽取8412名城市不在业者进行深入分析。
Feng shiyong and zou guohua . a new method for increasing precision in survey sampling acta mathematica scientia , 2001 , 18 ( 1 ) 282 - 288
冯士雍,关于样本对总体代表性问题的认识与讨论兼论抽样调查中辅助变量的,作用，统计研究， 2001年第9期30 - 34
Determining the sample size is crucial for a survey sampling design , for which traditional approaches have to seek some information on population variance or survey costs , however , which may result in either sample size too small and real precision undre desired level , or sample size too large and waste of survey costs
摘要样本量的确定是抽样设计中的关键问题，传统方法利用总体方差和调查费用的有关信息来确定样本量可能产生两种结果，一种是样本量过低，无法保证希望的估计精度要求；一种是样本量过高，导致调查经费的浪费。