群組抽樣 的英文怎麼說

中文拼音 [qúnchōuyàng]
群組抽樣 英文
cluster sampling
  • : Ⅰ名詞(聚在一起的人或物) crowd; group Ⅱ量詞(用於成群的人或物) group; herd; flock
  • : Ⅰ名詞1 (由不多的人員組成的單位) group 2 (姓氏) a surname Ⅱ動詞(組織) organize; form Ⅲ量詞(...
  • : 動詞1 (把夾在中間的東西拉出; 提取) take out (from in between) 2 (從全部里取出一部分; 騰出) ...
  • : Ⅰ名詞1. (形狀) appearance; shape 2. (樣品) sample; model; pattern Ⅱ量詞(表示事物的種類) kind; type
  • 群組 : cohort
  • 抽樣 : [統計] sample; sampling; specimen; samples draw
  1. In this study three scales were used to measure a sample of 802 students selected from 4 middle schools by hierarchical random group sampling, and 766 available copies of scales were adopted to collect data which was processed with spss 10. 0

    本研究採用量表測量法,以分層整隨機本。從四所中學隨機取初中和高中14個自然班共計802人本,有效問卷766份。
  2. Objective : to analyze the data of the permanent teeth caries and treatment needs of six age groups people in beijing with statistical methods which came from the second national oral health survey of china in 1995. method : the total sample of 12792 ( 8520 urban, 4272 rural ) for 6 age groups ( 5, 12, 15, 18, 35 - 44, 65 - 74 - year - old ) were examined. the diagnostic criteria recommended by the world health organization were used in this study ( oral health survey basic methods third edition, 1987 ). result : the dmf and dmft incidence of six age group in the urban was higher than that in the rural on the whole. the dental caries level of 12 - year - olds was very low. f percentage of 12 - year - olds was 15. 42 % ( urban ) and 3. 23 % ( rural ). the current situation of chinese dental care cannot meet the who objectives for the year 2000. conclusion : it pointed out that we should emphasize oral health education and enhance the consciousness of health care. since the treatments of caries became more complicated with the age, we should perform the primary oral health care in the early stage

    目的:本文對1995年第二次全國口腔健康流行病學調查中,北京地區六個年齡的恆牙患齲及治療需要情況進行統計學分析.方法:採用整方法,對北京市六個年齡的城鄉人12792人(城市8520人,農村4272人)進行了口腔檢查,診斷標準根據世界衛生織1987年第三版一書.結果:各年齡的患齲率及齲均基本是城市高於農村, 12歲年齡的患齲情況處于很低水平, 12歲年齡恆牙充填率為15 . 42 (城)和3 . 23 (鄉) ,結論:本結果離2000年目標有一定差距,提示我們應加強口腔健康教育,提高居民口腔保健意識.另外,隨年齡的增長牙齒治療的復雜程度逐漸增高,因此,應在人中開展初級口腔衛生保健,做到早發現,早診斷,早治療
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