nationwide sampling survey

同义词释义

1)nationwide sampling survey,全国性抽样调查2)national,全国3)China,全国4)nationwide,全国5)Chinese conference,全国会议6)students of nation,全国学生7)Nation-wide interconnection,全国联网8)nationwide interconnection,全国联网9)national brand,全国品牌10)national comparison,全国比对