专业释义英英释义
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分层抽样 - 引用次数：1 参考来源 - 一个估计随机流网络可靠性的新方法 in C
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分层样本
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分层样本分层抽样
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stratified sample
- n. the population is divided into strata and a random sample is taken from each stratum
以上来源于: WordNet
柯林斯英汉双解大词典
stratified sample
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1.
N a sample that is not drawn at random from the whole population, but separately from a number of disjoint strata of the population in order to ensure a more representative sample 分层取样 [statistics] → see also frame
双语例句权威例句
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Methods A cluster stratified sample of 1681 students ham Jianghan University were investigated by SDS.
方法采用分层整群抽样法抽取江汉大学1681名本科学生，采用抑郁自评量表（SDS）进行测评。
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Methods: a cluster random stratified sample of 394 medical college students were investigated with a SCL-90 questionnaire.
方法：采取分层整群抽样的方法抽取394名医学生进行SCL - 90症状自评量表的问卷调查。
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Methods: Stratified random cluster sampling method was used to determine the survey sample.
方法：以分层随机整群抽样的方法，确定调查样本。
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