Pensions; Genetic Engineering 2004
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Multi-topic survey: Pensions, genetic engineering Probability Telephone interview: CATI
多主题调查:涵盖养老金与基因工程两大主题,采用概率抽样电话访谈方式,即计算机辅助电话访谈(Computer Assisted Telephone Interviewing,CATI)

Multi-topic survey: Pensions, genetic engineering Probability Telephone interview: CATI
多主题调查:涵盖养老金与基因工程两大主题,采用概率抽样电话访谈方式,即计算机辅助电话访谈(Computer Assisted Telephone Interviewing,CATI)