“stratified sample”概念、定义、翻译-科学时代

单词	stratified sample
释义	社会学词汇手册 stratified sample 分层样本
随便看	saccharification saccharification saccharimeter saccharimetry saccharin saccharin saccharin saccharin saccharin saccharin saccharin saccharinol saccharinol saccharin sorghum saccharinum sacchar(o)- saccharocoria saccharogalactorrhea saccharogen saccharogenic activity saccharogenic amylase saccharogenic power saccharoid saccharometabolism saccharometabolism

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。