“stratified random sampling”概念、定义、翻译-科学时代

单词	stratified random sampling
释义	人口学词汇手册 stratified random sampling 分层随机抽样
随便看	molecular theory molecular theory of memory molecular thermodynamics molecular vibration molecular volume molecular weight molecular weight molecular weight molecular weight molecular weight molecular weight molecular-weight average molecular weight distribution molecular wire molecular xenon laser molecule molecule molecule molecule molecule molecule molecule molecule molecule moleculus

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。