nationwide sampling survey 中文意思是什麼

nationwide sampling survey 解釋
全國性抽樣調查
  • nationwide : 全國范圍的
  • sampling : n. 1. 取樣(品),取標(本)〈指行動或程序〉。2. 樣品,標本。3. 剽竊拼湊歌曲。
  • survey : vt 1 眺望,俯瞰,環顧。2 審視;通盤考慮[考察],觀察(形勢);概括,綜合評述。3 測量(土地),勘查...
  1. Recommended by china disabled persons ' federation, the survey is carried out through delamination, isometry, probability and multistage sampling, 734 nationwide counties ( cities, districts ) and 5980 subdistricts is taken out, almost 2. 6 million people, 2 of the national population, is referred

    中國殘聯介紹,這次殘疾人抽樣調查採用分層、等距、概率比例、多階段抽樣方法,從全國范圍內抽取了734個縣(市、區) 5980個調查小區,設計樣本量近260萬人,佔全國總人口的2 。
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