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

单词	proportional stratified sampling
释义	人口学词汇手册 proportional stratified sampling 成比例分层抽样
随便看	soil water percentage soil water potential soil-water relationship soil water specific yield soil-water storage soil zonality SOI material soiree SOI材料 soja bean sojourn sojourn time sojourn time sol sol sol sol sol sol sola solanaceae Solanaceae Solanaceae solanaceous solanaceous fruit vegetable

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。