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1.sampling survey
2.sample survey of population
3.sampling method for forestinventory
4.Sampling survey for diabetes mellitus in Ningbo City
宁波市糖尿病抽样调查报告收藏指正
5.DESIGN: Chester sampling investigation and paired design were applied.
设计:整群抽样调查,配对设计。收藏指正
6.Decide on the research methods (e.g.focus group, survey).
确定调研方法(如讨论组、抽样调查)。收藏指正
7.EPIDEMIOLOGICAL SURVEY ON CEREBROVASCULAR DISEASE IN HEFEI, ANHUI PROVINCE
安徽省合肥市脑血管病流行病学抽样调查报告收藏指正
8.Source: National Nutrition Sampling Survey in 1992.
资料来源:1992年全国营养抽样调查收藏指正
9.Reoport of a Sampling Survey to Schistosomiasis of Domestec Animals in Hunan Province in 1995
1995年湖南省家畜血吸虫病抽样调查分析收藏指正
10.The Statistic Analysis of a Selective Investigation of Anhui Peasant Households
安徽省农户收入抽样调查资料的统计分析收藏指正
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