英语词汇“stratified sample”的翻译、意思、用法、释义-英汉双解词典

单词	stratified sample
释义	ˌstratified ˈsampling noun [uncountable] (Marketing 营销) a method of research in which people from different groups of the population are used in tests to find information about the whole population（统计的）分层抽样 ➡ random sampling at random sample ▸ ˌstratified ˈsample noun [countable]
随便看	autonomous investment reaches underprice futures market manpower retirement plan White Pages earner letter of licence deferred share broker/dealer mortgagee security guard health insurance cooperative marketing Old Economy sneakernet expiration date cheque guarantee card participant strength industrial goods audio- pre-empt term assurance

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