英语词汇“分层样本”的翻译、意思、用法、释义-英汉汉英词典

单词	分层样本
释义	分层样本 fēncéng yàngběnstratified sample分层样本stratified sample
随便看	4-tert-butylcatechol 4-tert-butyl pyrocatechol 4th brain ventricle 4--thiazole 4-thiazolidone 4-thiazolidonyl 4to 4 (token bus) 4 token bus access method 4wd tractor 4wd tractor;four wheel-drive tractor 4wire ear & mouth trunk unit 4-wire normal quality 4x牌澳大利亚贮藏啤酒 4%zn 4° 4π 4π counter 4π--detector 4π geometry 4π ionization 4π ionization chamber 4π侦检器 4π侦检器--万向侦检器 4π 几何