... statistical inquiry 统计调查 sampling inquiry 抽样调查,重点调查... audio inquiry 声频询问,声音询问,...
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Methods 445 people living on minimum subsistence allowances in Xuzhou were selected by the method of systematic and cluster sampling with face to face inquiry and household survey.
方法采用系统和整群抽样的方法抽取徐州市低保人员445人，以面对面询问方式进行入户调查。
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