英语词汇“control group”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	control group
释义	control group From Longman Business DictionaryRelated topics: Statisticscontrol groupconˈtrol group noun [countable] STATISTICS in a test, a group of people or things that you do not test and that you then compare with the group being tested. By using a control group, you can see if the results of your test are caused by the thing you are testing or are caused by chanceIt found that households buying the magazine spent 7% more a week on groceries than a control group.
随便看	escadre escafaut escaigne escalade escalate escalator escalator escalator clause escalder escalope escalope escamper escapade escape escape escape attention escape clause escape clutches escape detection escape hatch escape key escape notice escape somebody’s attention/notice escape somebody’s clutches escape unharmed etc

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