“分层多段抽样”概念、定义、翻译-科学时代

单词	分层多段抽样
释义	人口学词汇手册分层多段抽样 stratified multi-stage sampling
随便看	classification revision classification rule classification schedule classification screen classification siding classification society classification statistic classification symbol classification system classification system classification system classification system classification technique classification theory classification yard classificatory classificatory kinship classificatory kinship classificatory kinship term classificatory kinship term classificatory kinship terminology classificatory language classificatory science classificatory system of relationship classificatory type

科学时代收录了1160609条科普词条，基本涵盖了常见科普常识及英语词汇的翻译，是科学学习和研究的有利工具。