“分层随机抽样”概念、定义、翻译-科学时代

单词	分层随机抽样
释义	统计学词汇手册 stratified random sampling 分层随机抽样
随便看	two-cord sewing two-core excitation winding two-core reactor two-core reactor two-core switch two-core transformer two crops a year two-cycle engine two-cycle engine two-cycle generator two cylinder opener two-dash subheading two-day vigils in a ten-day cycle two-decked ship two-decker cage two-degree-of-freedom gyroscope two degree-of-freedom gyroscope two degrees of freedom (TDF) two-depth ploughing two-digit industry two dimension two dimensional two-dimensional two-dimensional array two-dimensional array

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。

stratified random sampling